What is the optimal outcome after endoscopic sinus surgery in the treatment of chronic rhinosinusitis? A consultation of Canadian experts oleh Nadim Saydy, Sami P. Moubayed, Marie Bussières, Arif Janjua, Shaun Kilty, François Lavigne, Eric Monteiro, Smriti Nayan, Marilou Piché, Kristine Smith, Doron Sommer, Leigh Sowerby, Marc A. Tewfik, Ian J. Witterick, Erin Wright, Martin Desrosiers