Fostering Shared Decision-Making Between Patients and Health Care Professionals in Clinical Practice Guidelines: Protocol for a Project to Develop and Test a Tool for Guideline Developers - Lena Fischer; Fülöp Scheibler; Corinna Schaefer; Torsten Karge; Thomas Langer; Leon Vincent Schewe; Ivan D Florez; Andrew Hutchinson; Sheyu Li; Marta Maes-Carballo; Zachary Munn; Lilisbeth Perestelo-Perez; et al. (JMIR Research Protocols)