authors
- Lozano, Luis Colunga
- Morales, Vilma Gerardo
- Gaxiola, Giordano P rez
- Alvarez, Alan Omar V zquez
- Torres, Francisco Javier Gonz lez
- Guerrero, Leonardo Perales
- Ortega, Ekatherina Yanowsky
- Tolentino, Ulises I Mart nez
- Villaseca, Sergio JS nchez
- as, Luz Ang lica Garc A Mac
- Nieuwlaat, Robby
- Guyatt, Gordon
- Florez, Ivan