The marvel of X-ray crystallography is the beauty and precision atomic structures deduced from diffraction patterns. Since these patterns record only amplitudes, phases for diffracted waves must also be evaluated systematic structure determination. Thus, we have phase problem as a central complication, both intellectually field practically so many analyses. Here, I discuss how – myself, my labo...

This study, which is a strategic study with a mixed research approach aimed to identify obstacles facing the academies of Iranian Basketball Federation. The population comprises board of directors and committees responsible for Education and Talent Spotting Association, academy administrators, physical education instructors, qualified experts, professors, coaches, referees and heads of delegati...

Classification systems are often used in the e-Business domain to arrange products into different categories (classes). Within this field, the reclassification deals with the challenges that occur whenever two or more product catalogs are based on different classification systems. In this situation, it is necessary to re-arrange the product into another class--structure in order to enable a sem...

The care of patients with HIV infection has become possibly the most rewarding and yet most challenging specialty in medicine. The advances over the past 10–15 years have been extraordinary and probably are unrivaled by those for the treatment of any other contemporary disease. However, treatment-related decisions are complex, and the penalties for mistakes are harsh. There are now 24 antiretro...

In the U.S. business income is taxed several times at different sources, including corporate income, dividends, capital gains, and interest payments. We investigate how the different rates above affect firm investment and the allocation of capital in the economy. To do so, we construct and calibrate a model with heterogeneous firms, borrowing constraints, costly equity issuance and endogenous e...

More than 20 years ago, Ericsson and colleagues proposed that “individual differences in ultimate performance can largely be accounted for by differential amounts of past and current levels of practice” (Ericsson et al., 1993, p. 392). We empirically tested this claim through a metaanalysis of studies of music and chess (Hambrick et al., 2014). The claim was not supported. Deliberate practice a...

Received: Jan 4, 2016; Accepted: Jan 25, 2016; Published: Feb 17, 2016 a specific condition that requires tailored solutions and approaches. The urgent need to tackle multimorbidity in a more strategic, holistic, and cost-effective manner was evident at the 18th European Health Forum Gastein, a leading annual health policy event in the European Union (EU), held in the autumn of 2015. This Forum...