Idiopathic inflammatory myopathies: state of the art on clinical practice guidelines - Thomas Krieg; Farah Tamirou; Rosaria Talarico; Carlo Alberto Scirè; Tobias Alexander; Zahir Amoura; Tadej Avcin; Andrea Doria; Frederic Houssiau; Thierry Martin; Maria Francisca Moraes-Fontes; Sabrina Paolino; et al. (RMD Open)