Author response

Ann Allergy Asthma Immunol. 2020 Jul;125(1):116. doi: 10.1016/j.anai.2020.05.010.

¹ Investigational Unit, Médica Sur Clinical Foundation and Hospital, Mexico City, Mexico. Electronic address: marlar1@prodigy.net.mx.
² Escuela de Medicina, Universidad Juárez Autónoma de Tabasco, Villahermosa, Mexico.
³ Pediatric Private Practice, Villahermosa, Mexico.
⁴ Department of Pediatric Respiratory Medicine, Faculty of Medical Sciences, Hospital CRS El Pino, University of Santiago de Chile (USACH), Santiago, Chile.
⁵ Facultad de Medicina, Universidad Autónoma de Yucatán, Merida, Mexico.
⁶ Research Unit, Department of Paediatrics, "Virgen de la Arrixaca" University Children's Hospital, El Palmar, Spain.

No abstract available

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