García-Contreras, Rodolfo
Nuñez-López, Leslie
Jasso-Chávez, Ricardo
Kwan, Brian W
Belmont, Javier A
Rangel-Vega, Adrián
Maeda, Toshinari
Wood, Thomas K
Article History
Received: 31 January 2014
Revised: 9 May 2014
Accepted: 12 May 2014
First Online: 17 June 2014
Competing interests
: The authors declare no conflict of interest.