Ultrasound and elastography in the assessment of skin involvement in systemic sclerosis: A systematic literature review focusing on validation and standardization – WSF Skin Ultrasound Group

Tânia Santiago, Eduardo Santos, Barbara Ruaro, Gemma Lepri, Lorraine Green, Marie Wildt, Shinji Watanabe, Alain Lescoat, Roger Hesselstrand, Francesco Del Galdo, John D. Pauling, Annamaria Iagnocco, JAP da Silva