All datasets on which conclusions of the study have been drawn are presented in the main manuscript.
The time series under study have been drawn from ionospheric observations obtained from eight European middle latitude ionosondes during a significant number of storm-time intervals and they are divided into eight groups according to the latitude (middle to low and middle to high) and the local time of the observation point at storm onset (afternoon, evening, morning, prenoon).
The main conclusions from our study have been drawn on the basis of subgroup analyses.
The pedagogical strategies investigated in the study have been drawn from the taxonomy formulated by Calvani and adapted to nursing education.
Our professor issued one, and clarified that he too believed in the Christian religious tradition from which the particular myths we were studying had been drawn.
Recently, some studies have emerged that are beginning to shed light on men's perspectives, although a number of these studies have been drawn from specific populations (e.g. university students, those on low-income seeking reproductive health care) as opposed to a broader community population (Lampic et al., 2006; Virtala et al., 2006; Foster et al., 2008).
This cross-sectional study is based on a retrospective data set from two population-based public health questionnaires from 2004 and 2008 (Rosvall, Grahn, Modén, & Merlo, 2009; Rosvall, Khan, Nilsson, & Ostergren, 2005), from which the study population has been drawn.
As many of the previous studies looking at the frequency of physical symptoms have focused on medically unexplained symptoms, a large proportion of the sample of previous studies of symptoms has been drawn from medically defined samples such as individuals registered with general practices, 9 11 primary care samples, 12 14 hospital outpatients 2 15 or high users of hospital care.
The prevalence of TTH varied much more widely among studies, and more attention has been drawn to its importance during the last years.
