Are you asking for paid or unpaid collaboration? If paid, you'll find many statistical consultants (myself included) browsing the multilevel topic. If unpaid, it would help your search to discuss the research topic.
hi, i am a research student at international Islamic university, Islamabad Pakistan and recently working on women employment status.
further more i want to do some work on for example malaria fever , contraceptive use etc using demographic survey data for Pakistan , i also like to use logistic or multilevel analysis in these research articles. i need some sincere and nice guideline who cooperate with me and we both produce some good and valuables research papers in future. i hope you will be one of them as you have very nice work and have very very good command on your work and i think it will be better for me to share some ideas and learn some good things from you.