A Study to Assess Change in Patient Experience in Adult Participants With Chronic Lymphocytic Leukemia (CLL) Receiving Oral Venetoclax Tablets + Intravenous Rituximab or Bruton's Tyrosine Kinase Inhibitors Tablets in the United Kingdom

Barts Health NHS Trust /ID# 252717, London

Norfolk and Norwich University Hospitals NHS Foundation Trust /ID# 252720, Norwich

Nottingham City Hospital /ID# 252716, Nottingham

Oxford University Hospitals NHS Foundation Trust /ID# 252715, Oxford

University Hospitals Sussex NHS Foundation Trust /ID# 252672, Worthing

University Hospitals of Leicester NHS Trust /ID# 252719, Leicester

The Royal Marsden NHS Foundation Trust /ID# 252655, London

Portsmouth Hospitals University NHS Trust /ID# 252722, Portsmouth

Sunderland Royal Hospital /ID# 252495, Sunderland

Taunton and Somerset NHS Foundation Trust /ID# 252721, Taunton