Paula V. Nunes; Andrew T. Olagunju; Debbie Zittema; Astha Dhyani; Lei Fu; Peijun Chen; Laura Montejo; Gabriel R. Fries; Lars V. Kessing; Eduard Vieta; Orestes V. Forlenza; Annemieke Dols; Hilary P. Blumberg; Lisa T. Eyler; Kenneth I. Shulman; the International Society for Bipolar Disorders (ISBD) Older Adults with Bipolar Disorder (OABD) Lithium Workgroup Task Force