1. Process Chemistry, Gilead Sciences Inc., 333 Lakeside Drive, Foster City, California 94404, United States
2. Process Development, Gilead Alberta ULC, 1021 Hayter Road NW, Edmonton, Alberta T6S 1A1, Canada
3. Analytical Chemistry, Gilead Alberta ULC, 1021 Hayter Road NW, Edmonton, Alberta T6S 1A1, Canada