This book serves as a roadmap for the development and application of patient-reported outcome (PRO) measures, supporting beginners through to experts, as a practical guide. To elucidate on key concepts in the book, examples from clinical research in hyperhidrosis and health-related quality of life and medicines clinical development context, are used. Health-related quality of life represents one of the most commonly measured PROs in both routine clinical practice and research. The book dem...