1 a:1:{s:5:"en_US";s:116:"INCLÍNICA Foundation for Clinical, Pneumological and Carcinogenic Research. Calvo Sotelo, 16. 33007-Oviedo (Spain).";}. rmartinezgiron@hotmail.com.
2 Faculty of Pharmacy. University of Modena-Reggio Emilia. Via G. Campi, 183 41125-Modena (Italy).. cristinamt@gmail.com.
3 Department of Family and Community Medicine. La Paz University Hospital. Paseo de la Castellana, 261, 28046 Madrid (Spain).. santiagomtorre@gmail.com.