Sources: some of Apple's healthcare efforts, including a pilot primary healthcare service with Apple-employed doctors, have stalled due to internal concerns (Rolfe Winkler/Wall Street Journal)

Rolfe Winkler / Wall Street Journal:
Sources: some of Apple's healthcare efforts, including a pilot primary healthcare service with Apple-employed doctors, have stalled due to internal concerns  —  Tech giant has envisioned hiring doctors to offer primary care, now focused on Watch  —  Apple Inc. Chief Executive Tim Cook …