Very relevant topic and discussion! Some suggestions: (i) English language review (abstract); (ii) the numbers of América Latina (Tabla 3) totalize 295 (not 289), and I did not realize why; (iii) similar situation occurs with Tabla 4 (total = 285); (iv) in Tabla 7, I suppose that many articles have more than 1 "categoría", but it could be explicit in the text; (v) still in Tabla 7, "Salud" has 112 articles, but in the text it is mentioned the total of 130, so I suggest to explain why; (vi) in "La preocupación por la salud se centra principalmente en el HIV (61), la salud en general (22), las prácticas sexuales como sexo de alto riesgo (18), y/u otras ITS (12 ).", the total is 113, not 112 as cited in Tabla 7; (vii) finally, spell check is also suggested. 