| article html file updated | 6 February 2020 12:02 CET | Update | https://www.mdpi.com/1660-3397/12/9/4741 |
| article html file updated | 20 September 2019 12:33 CEST | Update | - |
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| article html file updated | 30 September 2014 06:00 CEST | Original file | - |
| article xml file uploaded | 30 September 2014 06:00 CEST | Original file | https://www.mdpi.com/1660-3397/12/9/4741/xml |
| article pdf uploaded. | 5 September 2014 13:18 CEST | Version of Record | https://www.mdpi.com/1660-3397/12/9/4741/pdf |
