[1]China Japan Friendship Hosp, Beijing, Peoples R China.
[2]Harbin Med Univ, Affiliated Hosp 2, Harbin, Heilongjiang, Peoples R China.
[3]Kunming Med Univ, Affiliated Hosp 2, Kunming, Yunnan, Peoples R China.
[4]Capital Med Univ, Beijing Tongren Hosp, Beijing, Peoples R China.
[5]Anhui Prov Hosp, Hefei, Anhui, Peoples R China.
[6]Novo Nordisk AS, Soborg, Denmark.
[7]Novo Nordisk Pharmaceut, Princeton, NJ USA.
[8]Chinese Peoples Liberat Army Gen Hosp, Beijing, Peoples R China.