Group with Backdropgroup sample 1sample 2sample 3Sample w- SKA-555-Sample L- SKA-443Sample L- SKA-69-RecoveredSample L- SKA-24-w- SKA-57w- SKA-58w- SKA-59w- SKA-60w- SKA-61w- SKA-62w- SKA-63w- SKA-64w- SKA-65w- SKA-66w- SKA-67w- SKA-68