1. Pulmonology Department, Yuzuncu Yil University School of Medicine, Van, Turkey.
2. Pulmonology Department, Muğla Sıtkı Koçman University School of Medicine, Muğla, Turkey.
Recebido: 24 janeiro, 2015.
Aprovado: 8 agosto, 2015.
Trabalho realizado no Pulmonology Department, Yuzuncu Yil University School of Medicine, Van, Turkey; e no Pulmonology Department, Muğla Sıtkı Koçman University School of Medicine, Muğla, Turkey.
Endereço para correspondência:
Aysel Sunnetcioglu. Pulmonology Department, Yuzuncu Yil University, School of Medicine, Van, Turkey.
Tel.: 905071130581. Fax: 904322167519. E-mail: izciaysel@mynet.com