Expert voices and equal partnerships: establishing Controlled Human Infection Models (CHIMs) in Vietnam [version 1; peer review: 3 approved] oleh Evelyne Kestelyn, Chi Le Phuong, Jennifer Ilo Van Nuil, Hoai Tam Dong Thi, Nguyet Minh Nguyen, Trung Dinh The, Mary Chambers, Cameron P. Simmons, Toan Nguyen Trong, Dung Nguyen The, Le Truc Phuong, Dung Do Van, Dung Duc Anh, Vinh Chau Nguyen Van, Stephen Baker, Bridget Wills, OUCRU Controlled Human Infection Models workshop and focus group participants