Brain tumor biomarkers for research, clinics, and registries - The 2021 Brain Tumor Epidemiology Consortium meeting report.

The Brain Tumor Epidemiology Consortium (BTEC) is an international consortium that fosters interdisciplinary collaborations focusing on research related to the etiology, outcomes, and prevention of brain tumors. The 21 annual BTEC meeting with the theme "" was held virtually from June 22 to 24, 2021. Scientists from North America and Europe, representing a broad range of brain tumor research interests, presented recent research and progress in the field.

Attitudes Toward Euthanasia: A Longitudinal Analysis of the Role of Economic, Cultural, and Health-Related Factors.

Context: It is crucial that physicians understand differing attitudes toward euthanasia and which factors to consider when discussing end-of-life decisions with patients and families from diverse backgrounds.

Objectives: To investigate how attitudes toward euthanasia differ among countries, how they change, and how economic, religious, and health-related factors affect these attitudes.

Methods: We analyzed attitudes toward euthanasia and economic, religious, and health-related indicators using longitudinal (1981-2018) World Values Survey (WVS) data.