1. Biomechanics Laboratory and Tendon and Soft Tissue Biology Laboratory, Division of Orthopedic ResearchMayo Clinic200 1st Street SW, Rochester Minnesota USA
2. Department of Plastic, Reconstructive and Hand surgeryErasmus MCRotterdam the Netherlands
3. Department of Rehabilitation MedicineErasmus MCRotterdam the Netherlands
4. Departments of Physical Medicine and Rehabilitation, Radiology and AnatomyMayo clinicRochester Minnesota USA
5. Department of Biomedical Statistics and InformaticsMayo clinicRochester Minnesota USA