Guidelines for the Clinicians Available in the following languagesBelarussianBulgarianCzechDanishDutch (Belgium)Dutch (The Netherlands)FrenchGreekLatvianPolishRomanianRussianSerbianSlovakianSlovenianUkranianGuidelines for the PatientsAvailable in the following languagesBelarussianBulgarianCzechDanishDutch (Belgium)Dutch (The Netherlands) FrenchGermanGreekHungarianLatvianPolishRomanianRussianSerbianSlovakianSlovenianSpanishUkranianGuidelines for the SiblingsAvailable in the following languagesBelarussianCzechLatvianRomanianSpanishUkrainianResilienceAvailable in the following languagesBelarussianCzechLatvianRomanianSpanishUkrainian