Comparing Usual Care With Coordinated Clinician and Patient Use of Mobile Technology in Primary Care for Patients With Major Depressive Disorder: Practice-Based Pilot Study. - Lanigan AM; Callen EF; Filippi MK; Robertson EA; Clay TL; Nederveld A; Fehnert B; Chrones L; Martin ML; McCue M; Hester CM (JMIR formative research, 2026)