MBS/Vox, CommonHealth's research-based consultancy in Parsippany, N.J., has added Meaghan Nelson as account supervisor and Bonnie Gustafsson as an analyst. Nelson's responsibilities include analyzing and presenting findings for much of the company's ongoing physician-patient communications programs. She comes to MBS/Vox from Morgan Stanley in New York, where she was a human resource generalist. Gustafsson will be involved in doctor-patient initiatives. Previously, she was a freelance writer and editor for a number of companies.