Using this unique approach, we overcame the main limitations of previous studies on scale-eating fish that relied on behavioural observations or morphological classifications of ingested scales alone [ 6, 17].
Very few horses had only 2 vertebrae affected (Fig. 1) and behavioural reactions confirmed this classification (see results).
In addition, the standardised behavioural mapping procedure and classification of physical activity employed in the current study have previously been used in a number of previous studies of early physical activity [ 8, 9, 11].
Patients of any age and sex with depression (comorbidity), diagnosed based on the Diagnostic and Statistical Manual (DSM-IV), 12 the International Classification of Mental and Behavioural Disorders (ICD-10) 13 or the Criteria for Classification and Diagnosis of Mental Diseases (CCMD-3-R) 14 will be included.
We obtained information on admissions for all mental and behavioural disorders (codes F00-F99, international classification of diseases, 10th revision).
23– 25 ADHD symptoms were assessed separately, and were not included in the composite externalising score, based on evidence suggesting that ADHD is inconsistently related to SUD severity, for example, 26 and that the diagnosis falls outside the classification of disruptive behavioural disorders categorised by social deviance.
All diagnoses were made by consensus with the attending psychiatrist and consultant psychiatrists according to International Classification of Diseases version 10 classification of mental and behavioural disorders [ 24].
Figure 2 presents baseline, 6- and 12-months data according to categorical classifications of anthropometric and behavioural risk factors.
The World Health Organization's ICD-10 Classification of Mental and Behavioural Disorders (1993) uses a similar definition.
The future ICD-11 Classification of mental and behavioural disorders will also follow this approach.
