/articles/10.1186/s12889-016-3884-1 /articles/10.1186/s12889-016-3860-9 /articles/10.1186/s12889-016-3831-1 /articles/10.1186/s12889-016-3875-2 /articles/10.1186/s12889-016-3866-3 /articles/10.1186/s12889-016-3889-9 /articles/10.1186/s12889-016-3888-x /articles/10.1186/s12889-016-3890-3 /articles/10.1186/s12889-016-3867-2 /articles/10.1186/s12889-016-3895-y /articles/10.1186/s12889-016-3893-0 /articles/10.1186/s12889-016-3862-7 /articles/10.1186/s12889-016-3899-7 /articles/10.1186/s12889-016-3901-4 /articles/10.1186/s12889-016-3985-x /articles/10.1186/s12889-016-3886-z /articles/10.1186/s12889-016-3865-4 /articles/10.1186/s12889-016-3904-1 /articles/10.1186/s12889-016-3872-5 /articles/10.1186/s12889-016-3897-9 /articles/10.1186/s12889-016-3896-x /articles/10.1186/s12889-016-3916-x /articles/10.1186/s12889-016-3863-6 /articles/10.1186/s12889-016-3882-3 /articles/10.1186/s12889-016-3902-3 /articles/10.1186/s12889-016-3887-y /articles/10.1186/s12889-016-3828-9 /articles/10.1186/s12889-016-3894-z /articles/10.1186/s12889-016-3885-0 /articles/10.1186/s12889-016-3892-1 /articles/10.1186/s12889-016-3878-z /articles/10.1186/s12889-016-3898-8 /articles/10.1186/s12889-016-3869-0 /articles/10.1186/s12889-016-3900-5 /articles/10.1186/s12889-016-3876-1 /articles/10.1186/s12889-016-3883-2 /articles/10.1186/s12889-016-3903-2