Wang, Y
Tong, C
Wang, Z
Wang, Z
Mauger, D
Tantisira, K G
Israel, E
Szefler, S J
Chinchilli, V M
Boushey, H A
Lazarus, S C
Lemanske, R F
Wu, R
Article History
Received: 23 April 2014
Revised: 9 September 2014
Accepted: 7 November 2014
First Online: 20 January 2015
Competing interests
: The authors declare no conflict of interest.