Original sentence: The film interviews what they refer to as "Secret teachers" (professionals and authors) in the fields of quantum physics, psychology, metaphysics, coaching, theology, philosophy, finance, feng shui, medicine, and personal development, with some of these individuals, at their Web sites, promoting the film and their connection to it
Edited sentence: The film interviews "Secret teachers" (professionals and authors) in the fields of quantum physics, psychology, metaphysics, coaching, theology, philosophy, finance, feng shui, medicine, and personal development, with some of these individuals, at their Web sites, promoting the film and their connection to it