Eyes (Descemet's membrane and lens capsule), Anatomy (bone, osteoporosis, osteoarthrosis, collagen, hydroxyproline, connective tissues and constituents), Biochemistry (Extracellular matrix, immunological techniques, MMP assay), Biophysics (biomechanics, permeability, thermal stability), Heart and circulation (biomechanics of blood vessels), Pregnancy (matrix metalloproteinases (MMP))