diff --git a/app/DAL/Studies/IUserStudyLister.php b/app/DAL/Studies/IUserStudyLister.php
index 8035da8..3b9bc01 100644
--- a/app/DAL/Studies/IUserStudyLister.php
+++ b/app/DAL/Studies/IUserStudyLister.php
@@ -8,21 +8,21 @@
 
 interface IUserStudyLister
 {
-    public function setRadiologist(int $radiologist_id): void;
+    public function setRadiologist(int $radiologist_id): self;
 
-    public function setStudyStatus(StudyLevelStatus $status): void;
+    public function setStudyStatus(StudyLevelStatus $status): self;
 
-    public function setReportStatus(ReportStatus $status): void;
+    public function setReportStatus(ReportStatus $status): self;
 
-    public function setPerPage(int $size): void;
+    public function setPerPage(int $size): self;
 
-    public function setSortOrder(string $order): void;
+    public function setSortOrder(string $order): self;
 
-    public function setSearchTerm(string $search): void;
+    public function setSearchTerm(string $search): self;
 
-    public function setArchived(bool $archived): void;
+    public function setArchived(bool $archived): self;
 
-    public function setLocked(bool $locked): void;
+    public function setLocked(bool $locked): self;
 
     public function get(?int $user_id = null): LengthAwarePaginator;
 }
diff --git a/app/DAL/Studies/WorklistBase.php b/app/DAL/Studies/WorklistBase.php
index 18928c2..cdf95ff 100644
--- a/app/DAL/Studies/WorklistBase.php
+++ b/app/DAL/Studies/WorklistBase.php
@@ -28,12 +28,12 @@ abstract class WorklistBase implements IUserStudyLister
 
     private ?bool $archived = null;
 
-    public function setRadiologist(int $radiologist_id): void
+    public function setRadiologist(int $radiologist_id): self
     {
         $this->radiologist_id = $radiologist_id;
     }
 
-    public function setStudyStatus(StudyLevelStatus $status): void
+    public function setStudyStatus(StudyLevelStatus $status): self
     {
         $this->studyStatus = $status;
     }
@@ -78,7 +78,7 @@ private function applyReportStatus(Builder $query): Builder
         return $query;
     }
 
-    public function setReportStatus(ReportStatus $status): void
+    public function setReportStatus(ReportStatus $status): self
     {
         $this->reportStatus = $status;
     }
@@ -120,22 +120,28 @@ public function get(?int $user_id = null): LengthAwarePaginator
             ->paginate($this->getPageSize($user_id));
     }
 
-    public function setArchived(bool $archived): void
+    public function setArchived(bool $archived): self
     {
         $this->archived = $archived;
+
+        return $this;
     }
 
-    public function setLocked(bool $locked): void
+    public function setLocked(bool $locked): self
     {
         $this->locked = $locked;
+
+        return $this;
     }
 
-    public function setPerPage(int $size): void
+    public function setPerPage(int $size): self
     {
         $this->perPage = $size;
+
+        return $this;
     }
 
-    public function setSortOrder(string $order): void
+    public function setSortOrder(string $order): self
     {
         $this->sortColumns = [];
         if (filled($order)) {
@@ -146,11 +152,15 @@ public function setSortOrder(string $order): void
                 $this->sortColumns[] = [$column => $dir];
             }
         }
+
+        return $this;
     }
 
-    public function setSearchTerm(string $search): void
+    public function setSearchTerm(string $search): self
     {
         $this->searchTerm = trim(strtolower($search));
+
+        return $this;
     }
 
     private function getPageSize(?int $user_id = null): int