create generic method to convert slug to URI, apply for region and indicator
create generic method to convert slug to URI, apply for region and indicator

unicef/polio,SeedScientific/polio,unicef/rhizome,SeedScientific/polio,unicef/rhizome,SeedScientific/polio,unicef/polio,unicef/polio,SeedScientific/polio,SeedScientific/polio,unicef/rhizome,unicef/polio,unicef/rhizome