| article html file updated | 6 February 2020 16:55 CET | Update | https://www.mdpi.com/2079-4991/5/2/386 |
| article html file updated | 6 May 2019 23:13 CEST | Update | - |
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| article html file updated | 16 February 2017 04:11 CET | Update | - |
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| article html file updated | 26 March 2015 04:58 CET | Original file | - |
| article xml file uploaded | 26 March 2015 04:58 CET | Original file | https://www.mdpi.com/2079-4991/5/2/386/xml |
| article pdf uploaded. | 25 March 2015 08:20 CET | Updated version of record | https://www.mdpi.com/2079-4991/5/2/386/pdf |
| article pdf uploaded. | 24 March 2015 14:24 CET | Version of Record | https://www.mdpi.com/2079-4991/5/2/386/pdf-vor |