Barnaby Zoob Carter ^* Ian David Boardley

• University of Birmingham, Birmingham, United Kingdom

PAGE \* Arabic \* MERGEFORMAT 3 The authors apologize for these errors and state that this does not change the scientific conclusions of the article in any way. No updating to the original article is required, just in the supplementary materials document.PAGE \* Arabic \* MERGEFORMAT 3In the published article, there were errors in Supplementary Materials [Table A2].[Environment item 'Passing by a gym can make me want to use steroids'.Positive Mood item 'I feel more content when I anticipate the use of steroids' and 'I think about using steroids as they improve my mood'.Negative Mood item 'When I am in a low mood, I want to use steroids', and 'I sometimes have urges to use steroids when I feel low'.]. The correct supplementary material appears below. The authors apologize for these errors and state that this does not change the scientific conclusions of the article in any way. No updating to the original article is required, just in the supplementary materials document.PAGE \* Arabic \* MERGEFORMAT 3In the published article, there were errors in Supplementary Materials [Table A3].[Effectiveness items 'I sometimes went beyond my pre-planned regime to increase gains', 'I increased my use of steroids due to being dissatisfied with the effectiveness of my regime', and 'I went beyond my pre-planned use of steroids to increase my gains'.Withdrawal item 'I experienced withdrawal-like symptoms which made it difficult for me to stay "off-cycle"'.Physical items 'I continued using steroids despite experiencing unwanted side effects (e.g., gynecomastia, heart complications, cholesterol', 'I continued to use steroids despite trying to manage undesired side effects (e.g., gynecomastia, heart complications, cholesterol imbalance, abscesses from injections, tendon/joint damage, testicular atrophy)', and 'I have continued with my steroid regime even though I experienced unwanted effects (e.g., gynecomastia, heart complications, cholesterol imbalance, abscesses from injections, tendon/joint damage, testicular atrophy)'.Psychological items 'I continued with my steroid regime despite seeking help for problematic psychological effects (e.g., depressive thoughts, a decreased libido, increased anxiety, insomnia, and mood swings)', 'I experienced concern over unwanted psychological effects (e.g., depressive thoughts, decreased libido, increased anxiety, insomnia, mood swings), but continued to use steroids.', and 'I continued using steroids despite having experienced depressive thoughts, a decreased libido, increased anxiety, insomnia, or mood swings.'Social items 'I avoided social, occupational and/or recreational activities which may have interfered with my steroid regime', 'I prioritised my steroid regime over social, occupational and/or recreational activities, even when the outcome was problematic.', and 'I avoided social, occupational or recreational activities to prioritise my steroid regime, causing problems in my personal life (e.g., with close family, friends, partner/significant other, boss/manager).'.]. The correct supplementary material appears below. The authors apologize for these errors and state that this does not change the scientific conclusions of the article in any way. No updating to the original article is required, just in the supplementary materials document.PAGE \* Arabic \* MERGEFORMAT 3In the published article, there were errors in Supplementary Materials [Table A4].[Environment item 'Passing by a gym can make me want to use steroids'.Positive Mood item 'I feel more content when I anticipate the use of steroids' and 'I think about using steroids as they improve my mood'.Negative Mood item 'When I am in a low mood, I want to use steroids', and 'I sometimes have urges to use steroids when I feel low'.]. The correct supplementary material appears below. The authors apologize for these errors and state that this does not change the scientific conclusions of the article in any way. No updating to the original article is required, just in the supplementary materials document.In the published article, there were errors in Supplementary Materials [Table A5].['Experiencing unwanted side effects (e.g., depressive thoughts, decreased libido, increased anxiety, insomnia, mood swings) has concern me, but I continue to use steroids']. The correct supplementary material appears below. PAGE \* Arabic \* MERGEFORMAT 3In the published article, there were errors in Supplementary Materials [Table A6].['Just passing by a gym makes me want to use steroids']. The correct supplementary material appears below. In the published article, there were errors in Supplementary Materials [Table A8].[Effectiveness items 'I sometimes went beyond my pre-planned regime to increase gains', 'I increased my use of steroids due to being dissatisfied with the effectiveness of my regime', and 'I went beyond my pre-planned use of steroids to increase my gains'.Withdrawal item 'I experienced withdrawal-like symptoms which made it difficult for me to stay "off-cycle"'. In the published article, there were errors in Supplementary Materials [Table A9].[Environment item 'Passing by a gym can make me want to use steroids'.Positive Mood item 'I feel more content when I anticipate the use of steroids' and 'I think about using steroids as they improve my mood'.Negative Mood item 'When I am in a low mood, I want to use steroids', and 'I sometimes have urges to use steroids when I feel low'.]. The correct supplementary material appears below.