[1] Department of Thoracic Radiology,
[2] Karolinska Hospital,undefined
[3] S-171 76 Stockholm,undefined
[4] Sweden,undefined
[5] Department of Thoracic Radiology,undefined
[6] Akademiska Hospital,undefined
[7] S-751 85 Uppsala,undefined
[8] Sweden,undefined
[9] Department of Thoracic Radiology,undefined
[10] Norrlands University Hospital,undefined
[11] S-901 85 Umeå,undefined
[12] Sweden,undefined
[13] Department of Radiology,undefined
[14] St. Göran Hospital,undefined
[15] S-112 81 Stockholm,undefined
[16] Sweden,undefined
[17] Department of Internal Medicine,undefined
[18] Danderyd Hospital,undefined
[19] S-182 88 Danderyd,undefined
[20] Sweden,undefined
[21] Department of Radiology,undefined
[22] University Hospital,undefined
[23] S-205 02 Malmö,undefined
[24] Sweden,undefined