Lesley-Ann Sutton; Viktor Ljungström; Anna Enjuanes; Diego Cortese; Aron Skaftason; Eugen Tausch; Katerina Stano Kozubik; Ferran Nadeu; Marine Armand; Jitka Malcikova; Tatjana Pandzic; Jade Forster; Zadie Davis; David Oscier; Davide Rossi; Paolo Ghia; Jonathan C. Strefford; Sarka Pospisilova; Stephan Stilgenbauer; Frederic Davi; Elias Campo; Kostas Stamatopoulos1; and Richard Rosenquist; on behalf of the European Research Initiative on CLL (ERIC)