Transition Models for Multivariate Longitudinal Binary Data
Leilei Zeng, Richard J Cook. Journal of the American Statistical Association. March 1, 2007, 102(477): 211-223. doi:10.1198/016214506000000889.
http://pubs.amstat.org/doi/abs/10.1198/016214506000000889?journalCode=jasa
thanks a lot!