[1] Univ Guadalajara, Hlth Sci Univ Ctr, Dept Physiol, Inst Clin & Expt Therapeut, Guadalajara, Jalisco, Mexico
[2] Mexican Inst Social Secur, Natl Occidental Med Ctr, Specialties Hosp, Dept Ophthalmol, Mexico City, DF, Mexico
[3] Tecnol Monterrey Inst, Sch Med & Hlth Sci, Campus Guadalajara, Monterrey, Mexico
[4] Univ Guadalajara, Univ Ctr Tonala, Dept Physiol, Guadalajara, Jalisco, Mexico