1. Facultad de Ciencias Biológicas, Departamento de Fisiología; Pontificia Universidad Católica de Chile; Santiago Chile
2. Instituto de Química; Pontificia Universidad Católica de Valparaíso; Valparaíso Chile
3. Arthritis and Tissue Degeneration Program; Hospital for Special Surgery; New York New York
4. Department of Biochemistry, Cellular and Molecular Biology; Weill Cornell Graduate School of Medical Sciences; New York New York
5. Department of Microbiology and Immunology, Baxter Laboratory in Stem Cell Biology; Stanford University; Stanford California
6. Campbell Family Institute for Breast Cancer Research, Princess Margaret Cancer Center; University Health Network; Toronto, Ontario Canada
7. Institute for Advanced Study; Technische Universität München; Garching Germany
8. Department of Physiology, Biophysics and Systems Biology; Weill Cornell University; New York New York