Tsiligianni Ioanna, Kaplan Alan G
Department of Social Medicine, Faculty of Medicine, University of Crete, Heraklion, Greece.
Family Physician Airways Group of Canada, University of Toronto, Toronto, ON, Canada.
Int J Chron Obstruct Pulmon Dis. 2018 Jun 12;13:1889-1891. doi: 10.2147/COPD.S163749. eCollection 2018.