Omar Alibrahim1, Antonio Esquinas2. 1. Division of Pediatric Critical Care Medicine, Duke University Medical Center, 2301 Erwin Road, Suite 5260Y, DUMC 3046, Durham, NC, 27710, USA. Omar.alibrahim@duke.edu. 2. Director International NIV School, Director Non-Invasive Ventilation Fellowship Program, Member ERS College of Experts, Intensive Care Unit, Hospital Morales Meseguer, Murcia, Spain.