Assessing the quality of life of head and neck healthcare workers during the COVID-19 pandemic-A self-reported global cross-sectional questionnaire study by the International Federation of Head and Neck Oncologic Societies - Singh, Arjun; Garg, Apurva; Mandlik, Dushyant; Poorten, Vincent Vander; Patel, Snehal G; O'neill, James Paul; Spirano, Giuseppe; Shaha, Ashok; Chaturvedi, Pankaj; Cernea, Claudio Roberto; Shah, Jatin (Journal of surgical oncology, 2021)