Abstract Background: The aim of this study was to investigate the various aspects of illness perceptions about breast cancer in affected patients. Methods: A cross-sectional study enrolled 140 patients with breast cancer in their chemotherapy period within 14 months. The revised Illness Perception Questionnaire (revised IPQ) was used to assess the disease representations of breast cancer. The ...

− The fuzzy weighted average (FWA) is used in many engineering problems where aggregation of fuzzy information is dealt with. In this framework, many algorithms have been proposed to compute efficiently the FWA according to Zadeh's extension principle. However, due to fuzzy interval calculus, the exact solution presents a characteristic that may be viewed as an important drawback. Indeed, repla...