https://cjkhd.biomedcentral.com/articles/10.1186/s40697-016-0124-7
https://cjkhd.biomedcentral.com/articles/10.1186/s40697-016-0125-6
https://cjkhd.biomedcentral.com/articles/10.1186/s40697-016-0123-8
https://cjkhd.biomedcentral.com/articles/10.1186/s40697-016-0126-5
https://cjkhd.biomedcentral.com/articles/10.1186/s40697-016-0127-4