title: Reply.
authors.affiliation: Medical Faculty, Kunming University of Science and Technology, Kunming, China.
authors.forename: Fen
authors.initials: F
authors.lastname: Huang
authors.affiliation: Medical Faculty, Kunming University of Science and Technology, Kunming, China.
authors.forename: Yunlong
authors.initials: Y
authors.lastname: Li
authors.affiliation: Institute of Medical Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Kunming, China.
authors.forename: Wenhai
authors.initials: W
authors.lastname: Yu
authors.affiliation: Medical Faculty, Kunming University of Science and Technology, Kunming, China.
authors.forename: Chenchen
authors.initials: C
authors.lastname: Yang