1 Epidemiology Department, Universidad Libre, Cra. 37a #3-29, Cali 760043, Colombia; UROGIV Research Group, Universidad del Valle, Cll 4b # 36-00, Cali 760043, Colombia.
2 Plastic Surgery Department, Universidad del Valle, Cll 4b # 36-00, Cali 760043, Colombia.
3 School of Medicine, Universidad del Valle, Cll 4b # 36-00, Cali 760043, Colombia; Epidemiology Department, Universidad Libre, Cra. 37a #3-29, Cali 760043, Colombia; UROGIV Research Group, Universidad del Valle, Cll 4b # 36-00, Cali 760043, Colombia. Electronic address: james.zapata@correounivalle.edu.co.