diff --git a/1.sources/MyHealth/docroot/systemAdmin/AddAdmin.xhtml b/1.sources/MyHealth/docroot/systemAdmin/AddAdmin.xhtml
index d235d1b..3a9e7f4 100644
--- a/1.sources/MyHealth/docroot/systemAdmin/AddAdmin.xhtml
+++ b/1.sources/MyHealth/docroot/systemAdmin/AddAdmin.xhtml
@@ -10,41 +10,53 @@
 			<p:growl id="mesgsAdd" showDetail="true" closable="true" autoupdate="true" />
 			<p:panel id="PanelNewAdmin" header="Alta de administradores">
 				<div class="ui-g ui-fluid">
-					<div class="ui-g-1 ui-md-1">
+					<div class="ui-g-2">
 						<p:outputLabel value="Correo electrónico: " for="email" />
 					</div>
-					<div class="ui-g-3 ui-md-3">
-						<p:inputText id="email" value="#{AddAdmin.email}" required="true" maxlength="120" validator="emailValidator"
-							validatorMessage="La dirección de correo electrónico #{AddAdmin.email} no es válida" requiredMessage="Por favor, especifique su correo electrónico">
+					<div class="ui-g-4">
+						<p:inputText id="email" value="#{AddAdmin.email}" required="true" maxlength="120" validator="emailValidator" requiredMessage="Por favor, especifique su correo electrónico">
 							<f:validateRegex pattern="[\w\.-]*[a-zA-Z0-9_]@[\w\.-]*[a-zA-Z0-9]\.[a-zA-Z][a-zA-Z\.]*[a-zA-Z]" />
+							<f:validator validatorId="emailValidator" for="email">
+								<f:attribute name="managedBean" value="#{AddAdmin}" />
+							</f:validator>
 						</p:inputText>
 					</div>
-					<div class="ui-g-1 ui-md-1">
+					<div class="ui-g-6">
+						<p:message for="email" />
+					</div>
+
+					<div class="ui-g-2">
 						<p:outputLabel value="Contraseña: " for="password" />
 					</div>
-					<div class="ui-g-2 ui-md-2">
+					<div class="ui-g-4">
 						<p:password id="password" value="#{AddAdmin.password}" match="passwordRepeat" required="true" maxlength="100" requiredMessage="Por favor, especifique una contraseña"
 							feedback="true" promptLabel="Especifique una contraseña segura" weakLabel="La contraseña es débil" goodLabel="La contraseña es buena" strongLabel="La contraseña es segura"
 							validatorMessage="La contraseña y su verificación deben ser iguales" />
 					</div>
-					<div class="ui-g-1 ui-md-1">
-						<p:outputLabel value="Verificación de contraseña: " for="passwordRepeat" />
-					</div>
-					<div class="ui-g-2 ui-md-2">
-						<p:password id="passwordRepeat" value="#{AddAdmin.password}" required="true" maxlength="100" requiredMessage="Por favor, escriba la verificación de su contraseña" />
-					</div>
-					<div class="ui-g-2 ui-md-2 ">
-						<p:commandButton validateClient="true" value="Crear" update="frmAddAdmin" action="#{AddAdmin.insertData}" icon="pi pi-check" />
-					</div>
-					<div class="ui-g-4 ui-md-4">
-						<p:message for="email" />
-					</div>
-					<div class="ui-g-3 ui-md-3">
+					<div class="ui-g-6">
 						<p:message for="password" />
 					</div>
-					<div class="ui-g-3 ui-md-3">
+
+					<div class="ui-g-2">
+						<p:outputLabel value="Verificación de contraseña: " for="passwordRepeat" />
+					</div>
+					<div class="ui-g-4">
+						<p:password id="passwordRepeat" value="#{AddAdmin.password}" required="true" maxlength="100" requiredMessage="Por favor, escriba la verificación de su contraseña" />
+					</div>
+					<div class="ui-g-6">
 						<p:message for="passwordRepeat" />
 					</div>
+
+					<div class="ui-g-12 ui-g-nopad">
+						<div class="ui-g-4 ui-md-4"></div>
+						<div class="ui-g-2 ui-md-2 ">
+							<p:commandButton validateClient="true" value="Crear" update="frmAddAdmin" action="#{AddAdmin.insertData}" icon="pi pi-check" />
+						</div>
+						<div class="ui-g-2 ui-md-2">
+							<p:button value="Volver" outcome="/home" icon="pi pi-home" />
+						</div>
+						<div class="ui-g-4 ui-md-4"></div>
+					</div>
 				</div>
 			</p:panel>
 		</h:form>
diff --git a/1.sources/MyHealth/src/ejb/systemAdmin/SystemAdminFacadeBean.java b/1.sources/MyHealth/src/ejb/systemAdmin/SystemAdminFacadeBean.java
index c5ec1a4..bf48a48 100644
--- a/1.sources/MyHealth/src/ejb/systemAdmin/SystemAdminFacadeBean.java
+++ b/1.sources/MyHealth/src/ejb/systemAdmin/SystemAdminFacadeBean.java
@@ -112,7 +112,6 @@ public class SystemAdminFacadeBean implements SystemAdminFacadeRemote {
 		return usr;
 	}
 
-	@Override
 	public MedicalSpecialtyTO updateSpecialty(int id, String name, String description) throws Exception {
 		MedicalSpecialtyJPA ms = entman.find(MedicalSpecialtyJPA.class, id);
 
@@ -140,7 +139,6 @@ public class SystemAdminFacadeBean implements SystemAdminFacadeRemote {
 			return null;
 	}
 
-	@Override
 	public void deleteSpecialty(int id) throws Exception {
 		MedicalSpecialtyJPA ms = entman.find(MedicalSpecialtyJPA.class, id);
 
@@ -151,7 +149,6 @@ public class SystemAdminFacadeBean implements SystemAdminFacadeRemote {
 		entman.remove(ms);
 	}
 
-	@Override
 	public MedicalSpecialtyTO insertSpecialty(String name, String description) throws Exception {
 		MedicalSpecialtyJPA ms = new MedicalSpecialtyJPA(name, description);
 		entman.persist(ms);
@@ -159,7 +156,6 @@ public class SystemAdminFacadeBean implements SystemAdminFacadeRemote {
 		return this.commonServices.getPOJOforMedicalSpecialtyJPA(ms);
 	}
 	
-	@Override
 	public PrimaryHealthCareCenterTO updateHealthCareCenter(int id, String name, String location) throws Exception {
 		PrimaryHealthCareCenterJPA ms = entman.find(PrimaryHealthCareCenterJPA.class, id);
 
@@ -175,7 +171,6 @@ public class SystemAdminFacadeBean implements SystemAdminFacadeRemote {
 		return this.commonServices.getPOJOforPrimaryHealthCareCenterJPA(ms);
 	}
 	
-	@Override
 	public PrimaryHealthCareCenterTO findHealthCareCenterByName(String searchedName) {
 		TypedQuery<PrimaryHealthCareCenterJPA> query = entman.createQuery("from PrimaryHealthCareCenterJPA cap where cap.name=:name", PrimaryHealthCareCenterJPA.class);
 		query.setMaxResults(1);
@@ -188,7 +183,6 @@ public class SystemAdminFacadeBean implements SystemAdminFacadeRemote {
 			return null;
 	}
 	
-	@Override
 	public void deleteHealthCareCenter(int id) throws Exception {
 		PrimaryHealthCareCenterJPA cap = entman.find(PrimaryHealthCareCenterJPA.class, id);
 
@@ -199,7 +193,6 @@ public class SystemAdminFacadeBean implements SystemAdminFacadeRemote {
 		entman.remove(cap);
 	}
 	
-	@Override
 	public PrimaryHealthCareCenterTO insertHealthCareCenter(String name, String location) throws Exception {
 		PrimaryHealthCareCenterJPA cap = new PrimaryHealthCareCenterJPA(name, location);
 		entman.persist(cap);
@@ -207,14 +200,12 @@ public class SystemAdminFacadeBean implements SystemAdminFacadeRemote {
 		return this.commonServices.getPOJOforPrimaryHealthCareCenterJPA(cap);
 	}
 	
-	@Override
 	public Long getCAPCount() {
 		TypedQuery<Long> query = entman.createQuery("SELECT count(1) from PrimaryHealthCareCenterJPA", Long.class);
 		
 		return query.getSingleResult();
 	}
 	
-	@Override
 	public List<PrimaryHealthCareCenterTO> listCAPsPaged(int pageNumber, int pageSize) {
 		TypedQuery<PrimaryHealthCareCenterJPA> query = entman.createQuery("SELECT c from PrimaryHealthCareCenterJPA c order by c.name", PrimaryHealthCareCenterJPA.class);
 
@@ -233,7 +224,6 @@ public class SystemAdminFacadeBean implements SystemAdminFacadeRemote {
 		return caps;
 	}
 
-	@Override
 	public List<FamilyDoctorTO> listAllFamilyDoctorsByCAPPaged(int primaryHealthCareCenterId, int pageNumber, int pageSize) {
 		List<FamilyDoctorTO> familyDoctorsByCAP = new ArrayList<FamilyDoctorTO>();
 
@@ -254,8 +244,7 @@ public class SystemAdminFacadeBean implements SystemAdminFacadeRemote {
 
 		return familyDoctorsByCAP;
 	}
-	
-	@Override
+
 	public Long getPatientCount(int familyDoctorId) {
 		TypedQuery<Long> query = entman.createQuery("SELECT count(1) from PatientJPA p where p.familyDoctor.id=:familyDoctorId", Long.class);
 		query.setParameter("familyDoctorId", familyDoctorId);
@@ -263,7 +252,6 @@ public class SystemAdminFacadeBean implements SystemAdminFacadeRemote {
 		return query.getSingleResult();
 	}
 	
-	@Override
 	public SystemAdminTO findAdminByEmail(String email) {
 		TypedQuery<SystemAdminJPA> query = entman.createQuery("from SystemAdminJPA a where a.email=:email", SystemAdminJPA.class);
 		query.setMaxResults(1);
@@ -276,7 +264,6 @@ public class SystemAdminFacadeBean implements SystemAdminFacadeRemote {
 			return null;
 	}
 	
-	@Override
 	public SystemAdminTO insertAdmin(String email, String password) throws Exception {
 		SystemAdminJPA admin = new SystemAdminJPA(email, password);
 		entman.persist(admin);
diff --git a/1.sources/MyHealth/src/managedbean/systemAdmin/AddAdminMBean.java b/1.sources/MyHealth/src/managedbean/systemAdmin/AddAdminMBean.java
index 2399264..b70f2d3 100644
--- a/1.sources/MyHealth/src/managedbean/systemAdmin/AddAdminMBean.java
+++ b/1.sources/MyHealth/src/managedbean/systemAdmin/AddAdminMBean.java
@@ -56,17 +56,24 @@ public class AddAdminMBean extends ManagedBeanBase implements Serializable {
 		this.password = password;
 	}
 
+	public boolean emailAlreadyRegistered(String email) {
+		return this.getRemoteManagerSystemAdmin().findAdminByEmail(email) != null;
+	}
+	
 	public void insertData() {
 		int error = 0;
 	
-		if (this.getRemoteManagerSystemAdmin().findAdminByEmail(email) != null) {
+		if (this.emailAlreadyRegistered(email) == true) {
 			this.addFacesMessage(FacesMessage.SEVERITY_WARN, "Administrador ya existente", "El administrador ya se encuentra dado de alta");
 			error++;
 		}
 		
 		if (error == 0) {
 			try {
-				this.getRemoteManagerSystemAdmin().insertAdmin(email, HashUtils.hashMD5(password));
+				this.getRemoteManagerSystemAdmin().insertAdmin(email.toLowerCase(), HashUtils.hashMD5(password));
+				
+				this.email = "";
+				this.password = "";
 				
 				this.addFacesMessage(FacesMessage.SEVERITY_INFO, "El administrador se ha dado de alta", "Los datos del administrador se han guardado correctamente.");
 			} catch (Exception e) {