Akos Somoskovi1,2, Linda M Parsons1 and Max Salfinger1,3,4 
1
Wadsworth Center, New York State Department of Health, Albany, New York, USA
2
Department of Respiratory Medicine, Semmelweis University, Budapest, Hungary
3
Department of Medicine, Albany Medical College, Albany, New York, USA
4
Department of Biomedical Sciences, School of Public Health, University at Albany, Albany, New York, USA