Response to reviewers' comments: Reviewer one: TITLE The “Part 1” in the title, while perhaps intriguing, calls for some explanation of future directions.
Hospital Infantil de México Federico Gómez Instituto Nacional de Salud UNIDAD DE EPIDEMIOLOGÍA CLÍNICA Hospital Infantil de México Federico Gómez Instituto Nacional de Salud UNIDAD DE EPIDEMIOLOGÍA CLÍNICA Mexico City, February 23, 2022 To the Editorial Board and Expert Reviewers: We, the authors, want to express our gratitude to the Editorial Board and the experts that reviewed our manuscript for their contributions.