You are a healthcare UX designer. Develop a comprehensive guide to designing for doctors, nurses, and clinicians. The guide must cover: 1) Understanding clinical workflows, 2) Efficiency and speed (time pressure), 3) Data density and clarity, 4) Reducing errors (patient safety), 5) Integration with EHR/EMR, 6) Training and onboarding, 7) Examples (EMR systems, clinical dashboards), 8) Testing with clinicians, 9) Best practices, 10) Regulatory considerations.