References
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Authors: Timo T. Hugg, PhDa,b,c, Qianlai Luo, PhDa,b, Taina K. Lajunen, PhDa,b,c, Maritta S. Jaakkola, MDa,b,c, Jouni J.K. Jaakkola, MD, PhDa,b,c,d*
Timo T. Hugg, timo.hugg@oulu.fi; Qianlai Luo, qianlaimo@gmail.com; Taina K. Lajunen, taina.lajunen@oulu.fi, Maritta S. Jaakkola, maritta.jaakkola@oulu.fi, Jouni J.K. Jaakkola,jouni.jaakkola@oulu.fi
a Center for Environmental and Respiratory Health Research, P.O.Box 5000 (Aapistie 5B), FIN-90014 University of Oulu, Oulu, Finland
b Biocenter Oulu, University of Oulu, Oulu, P.O.Box 5000 (Aapistie 5A), FIN-90014 University of Oulu, Oulu, Finland
c Medical Research Center Oulu, Oulu University Hospital and University of Oulu, P.O.Box 5000 (Aapistie 5A), FIN-90014 University of Oulu, Oulu, Finland
d Finnish Meteorological Institute, Helsinki, Erik Palménin aukio 1, FIN-00560 Helsinki, Finland
* Correspondence: Professor Jouni J.K. Jaakkola, Center for Environmental and Respiratory Health Research (CERH), University of Oulu, P.O. Box 5000 (Aapistie 5 B), 90014 Oulu, Finland; Tel.:+358406720927, E-mail address:jouni.jaakkola@oulu.fi.