1. Department of Anesthesiology Pain Division, Mayo Clinic: 200 First Street SW, Rochester, MN, 55905, USA
2. Department of Ultrasound Medicine, Chinese PLA General Hospital, China
3. Department of Physical Medicine and Rehabilitation, Mayo Clinic, USA
4. Department of Physical Medicine and Rehabilitation, Sir Run Run Shaw Hospital, College of Medicine of Zhejiang University, China
5. Department of Library-Public Services, Mayo Clinic, USA
6. Center for the Science of Healthcare Delivery, Mayo Clinic, USA