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1 Division of Medicine, Department of Upper Gastrointestinal Diseases, Karolinska University Hospital and Karolinska Institute, Stockholm, Sweden. Electronic address: fbaldaquesilva@gmail.com.
2 Department of Clinical Pathology and Cytology, Karolinska University Hospital, Stockholm, Sweden; Department of Laboratory Medicine, Karolinska Institute, Stockholm, Sweden.
3 Department of Surgical and Perioperative Sciences/Surgery, Umeå University, Sweden.
1 Division of Medicine, Department of Upper Gastrointestinal Diseases, Karolinska University Hospital and Karolinska Institute, Stockholm, Sweden. Electronic address: fbaldaquesilva@gmail.com.
2 Department of Clinical Pathology and Cytology, Karolinska University Hospital, Stockholm, Sweden; Department of Laboratory Medicine, Karolinska Institute, Stockholm, Sweden.
3 Department of Surgical and Perioperative Sciences/Surgery, Umeå University, Sweden.