diff --git a/development/CohortOntology.owl b/development/CohortOntology.owl
index 3d5550e..5ccb3a7 100644
--- a/development/CohortOntology.owl
+++ b/development/CohortOntology.owl
@@ -15,14 +15,15 @@
         <terms:contributor>MiHyun Jang</terms:contributor>
         <terms:contributor>Michael Bornstein</terms:contributor>
         <terms:contributor>Ryan Espiritu</terms:contributor>
+        <terms:contributor>Aarya Vakharia</terms:contributor>
         <terms:creator>Daniel Garijo</terms:creator>
         <terms:creator>Haripriya Dharmala</terms:creator>
+        <terms:creator>Hernan Vargas</terms:creator>
         <terms:creator>Joanna Bright</terms:creator>
         <terms:creator>Josh Boyd</terms:creator>
         <terms:creator>Neda Jahanshad</terms:creator>
         <terms:creator>Wesley Surento</terms:creator>
         <terms:creator>Yolanda Gil</terms:creator>
-        <terms:creator>Hernan Vargas</terms:creator>
         <terms:description xml:lang="en">An ontology to describe cohorts of patients participating in ENIGMA projects.</terms:description>
         <terms:license rdf:resource="http://creativecommons.org/licenses/by/2.0/"/>
         <terms:title xml:lang="en">The Cohort Ontology</terms:title>
@@ -492,6 +493,17 @@
     
 
 
+    <!-- https://w3id.org/enigma#has_location -->
+
+    <owl:ObjectProperty rdf:about="https://w3id.org/enigma#has_location">
+        <rdfs:domain rdf:resource="https://w3id.org/enigma#Cohort"/>
+        <rdfs:range rdf:resource="https://w3id.org/enigma#Location"/>
+        <rdfs:comment>The location of the cohort</rdfs:comment>
+        <rdfs:label>has location</rdfs:label>
+    </owl:ObjectProperty>
+    
+
+
     <!-- https://w3id.org/enigma#isPartOfCohort -->
 
     <owl:ObjectProperty rdf:about="https://w3id.org/enigma#isPartOfCohort">
@@ -797,6 +809,7 @@
         <rdfs:comment xml:lang="en">Describes the ancestry of the participants of the cohort</rdfs:comment>
         <rdfs:label xml:lang="en">has ancestry</rdfs:label>
     </owl:DatatypeProperty>
+    
 
 
     <!-- https://w3id.org/enigma#hasBriefDescription -->
@@ -945,6 +958,7 @@
     </owl:DatatypeProperty>
     
 
+
     <!-- https://w3id.org/enigma#hasExclusionCriteria -->
 
     <owl:DatatypeProperty rdf:about="https://w3id.org/enigma#hasExclusionCriteria">
@@ -1137,6 +1151,50 @@ NOTE: study design options are mutually exclusive for Cohort Groups but not Proj
     
 
 
+    <!-- https://w3id.org/enigma#has_city -->
+
+    <owl:DatatypeProperty rdf:about="https://w3id.org/enigma#has_city">
+        <rdfs:domain rdf:resource="https://w3id.org/enigma#Location"/>
+        <rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#string"/>
+        <rdfs:comment>City in which cohort is located</rdfs:comment>
+        <rdfs:label>has city</rdfs:label>
+    </owl:DatatypeProperty>
+    
+
+
+    <!-- https://w3id.org/enigma#has_country -->
+
+    <owl:DatatypeProperty rdf:about="https://w3id.org/enigma#has_country">
+        <rdfs:domain rdf:resource="https://w3id.org/enigma#Location"/>
+        <rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#string"/>
+        <rdfs:comment>Country in which cohort is located</rdfs:comment>
+        <rdfs:label>has country</rdfs:label>
+    </owl:DatatypeProperty>
+    
+
+
+    <!-- https://w3id.org/enigma#has_latitude -->
+
+    <owl:DatatypeProperty rdf:about="https://w3id.org/enigma#has_latitude">
+        <rdfs:domain rdf:resource="https://w3id.org/enigma#Location"/>
+        <rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#float"/>
+        <rdfs:comment>The latitude of the cohort</rdfs:comment>
+        <rdfs:label>has latitude</rdfs:label>
+    </owl:DatatypeProperty>
+    
+
+
+    <!-- https://w3id.org/enigma#has_longitude -->
+
+    <owl:DatatypeProperty rdf:about="https://w3id.org/enigma#has_longitude">
+        <rdfs:domain rdf:resource="https://w3id.org/enigma#Location"/>
+        <rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#float"/>
+        <rdfs:comment>The longitude of the cohort</rdfs:comment>
+        <rdfs:label>has longitude</rdfs:label>
+    </owl:DatatypeProperty>
+    
+
+
     <!-- https://w3id.org/enigma#isOverallCohort -->
 
     <owl:DatatypeProperty rdf:about="https://w3id.org/enigma#isOverallCohort">
@@ -1285,17 +1343,6 @@ NOTE: study design options are mutually exclusive for Cohort Groups but not Proj
     
 
 
-    <!-- https://w3id.org/enigma#City -->
-
-    <owl:Class rdf:about="https://w3id.org/enigma#City">
-        <rdfs:subClassOf rdf:resource="https://w3id.org/enigma#Location"/>
-        <vann:example xml:lang="en">Los Angeles</vann:example>
-        <rdfs:comment xml:lang="en">City in which a cohort is located</rdfs:comment>
-        <rdfs:label xml:lang="en">City</rdfs:label>
-    </owl:Class>
-    
-
-
     <!-- https://w3id.org/enigma#Cohort -->
 
     <owl:Class rdf:about="https://w3id.org/enigma#Cohort">
@@ -1334,17 +1381,6 @@ Example: STELLENBOCH_proj_FS for the Freesurfer project</rdfs:comment>
     
 
 
-    <!-- https://w3id.org/enigma#Country -->
-
-    <owl:Class rdf:about="https://w3id.org/enigma#Country">
-        <rdfs:subClassOf rdf:resource="https://w3id.org/enigma#Location"/>
-        <vann:example xml:lang="en">United States</vann:example>
-        <rdfs:comment xml:lang="en">Country in which a cohort is located</rdfs:comment>
-        <rdfs:label xml:lang="en">Country</rdfs:label>
-    </owl:Class>
-    
-
-
     <!-- https://w3id.org/enigma#Covariates -->
 
     <owl:Class rdf:about="https://w3id.org/enigma#Covariates">