[1] Lund Univ, Dept Clin Sci, Malmo, Sweden
[2] Lund Univ, Sect Oncol, Lund, Sweden
[3] Skane Univ Hosp, Ctr Emergency Med, Lund, Sweden
[4] Skane Univ Hosp, Dept Surg, Lund, Sweden
[5] Skane Univ Hosp, Dept Oncol, Lund, Sweden
[6] Skane Univ Hosp, Ctr Emergency Med, Malmo, Sweden
[7] Skane Univ Hosp, Dept Surg, Malmo, Sweden
[8] Skane Univ Hosp, Dept Oncol, Malmo, Sweden
[9] Vet Affairs San Diego Healthcare Syst, San Diego, CA USA
[10] Sphingotec GmbH, Hennigsdorf, Germany
[11] Waltraut Bergmann Fdn, Hohen Neuendorf, Germany