1 Ginecology and Obstetrics Department, Hospital Civil de Guajalajara Dr. Juan I Menchaca/Health Sciences University Center, Guadalajara University. Guadalajara, Mexico. aacorona@hcg.gob.mx.
2 Ginecology and Obstetrics Department, Hospital Civil de Guajalajara Dr. Juan I Menchaca/Health Sciences University Center, Guadalajara University. Guadalajara, Mexico. elicam27@hotmail.com.
3 Ginecology and Obstetrics Department, Hospital Civil de Guajalajara Dr. Juan I Menchaca. Guadalajara, Mexico. jpac2400@gmail.com.
4 Pediatrics and Neonatology Department. Hospital Civil de Guadalajara Dr. Juan I Menchaca. Guadalajara, Mexico. myreace@yahoo.es.
5 Pediatrics and Neonatology Department. Hospital Civil de Guadalajara Dr. Juan I Menchaca. Guadalajara, Mexico. dra.claudiaquezada@hotmail.com.
6 Pediatrics and Neonatology Department. Hospital Civil de Guadalajara Dr. Juan I Menchaca. Guadalajara, Mexico. lmgomez@hcg.gob.mx.
7 Pediatrics and Neonatology Department. Hospital Civil de Guadalajara Dr. Juan I Menchaca. Guadalajara, Mexico. rperez@hcg.gob.mx.