Sarah Sylvia Hiener is a healing practitioner and has been working over 30 years in her own surgery. She combines Constitutional Homeopathy with Transpersonal Psychotherapy by Dr. habil. Hans Endres. Sarah’s therapeutic techniques, among others, include family constellation therapy, muscle testing and visualization. She has published several books, for example, “The Homeopathic Mirror of the Soul” in 3 volumes describing the psychological side of 20 homeopathic remedies per volume. They are only available in German.