The discipline is not limited and the requirement is listed as below:
English is your native language;
Paper or book writing experience in your field to prove your ability;
Working with research currently (excellent graduate student, Ph.D student, postdoctor or professors);
Background: Biology, Medical Science, Agriculture, Chemistry, Economics, Environmental Science, Geology, Business Management, Social Science, computer science…
Working location: at home; must be contactable through Internet,e.g.