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Aim: The Self-Care Self-Efficacy Scale (SCSES) was newly developed as a self-report measure for self-care self-efficacy for chronic illness. This study investigated its measurement equivalence (ME) in different cultural groups, including United States, China (Hong Kong), Italy, and Brazil., Design: A multi-national study for cross-cultural validation of the Scale., Methods: From January 2015 - December 2018, investigators recruited 957 patients (United State: 200; Hong Kong: 300; Italy: 285; and Brazil: 142) with chronic illness from inpatient and outpatient settings. The SCSES was administered and clinical and demographic data were collected from participants. Based on the Meredith framework, multi-group confirmatory factor analysis evaluated the configural, metric, scalar, and strict invariance of the scale across the four populations through a series of nested models, with evaluation of reliability and coherence of the factor solution., Results: The mean ages of the groups ranged from 65-77 years, 56.4% was male. The Cronbach's alpha coefficients of the single-factor SCSES were 0.93, 0.89, 0.92, and 0.90 for the United States, China (Hong Kong), Italy, and Brazil, respectively. Three of the four levels of ME were partially or totally supported. The highest level achieved was partial scalar invariance level (χ 2 [52] = 313.4, p < 0.001; RMSEA = 0.067; 95% CI = 0.056-0.077; CFI = 0.966; TLI = 0.960, SRMR = 0.080)., Conclusion: Patients from the four countries shared the same philosophical orientation towards scale items, although some of the items contributed differently to represent the concept and participants shared the same schemata for score interpretation., Impact: Self-efficacy is important in producing effective and sustainable self-care behavioural changes. Cultural ideation shapes the ways individuals interpret and report their self-care self-efficacy. The study findings support cross-cultural and cross-national utility of the SCSES for research on self-care across United States, China (Hong Kong), Italy, and Brazil., (© 2020 John Wiley & Sons Ltd.)

Nigroboletus is proposed as a novel genus in family Boletaceae, subfamily Boletoideae, to include N. roseonigrescens, a new boletoid species from tropical environment in south-eastern China. Detailed morphological description, color pictures of both fresh basidiomes in habitat and dried material along with photomicrographs and line drawings of the main anatomical features are provided, supported by a comprehensive phylogeny based on multigene molecular analysis (nrITS, nrLSU, rpb1, rpb2 and tef1-α datasets). Taxonomic placement and evolutionary relationships of Nigroboletus are investigated.