Mario Herrera-Marschitz
MD. PhD Department of Physiology and Pharmacology. Karolinska Institute. Stockholm, Sweden.

Gustavo Zuccolilli
PhD. Instituto de Anatomía, Facultad deCiencias Veterinarias UNLP, La Plata, Argentina.

Alejandro Vélez H
MD. Patólogo, Hospital Pablo Tobón Uribe, Medellín.

Carl Schmidt
MD. Patologo Deputy Chief Medical Examiner. Wayne Country, Detroit-Michigan