| article html file updated | 9 February 2020 10:33 CET | Update | https://www.mdpi.com/2072-666X/9/3/138 |
| article html file updated | 1 October 2019 19:24 CEST | Update | - |
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| article xml uploaded. | 23 March 2018 10:50 CET | Update | https://www.mdpi.com/2072-666X/9/3/138/xml |
| article pdf uploaded. | 23 March 2018 10:50 CET | Updated version of record | https://www.mdpi.com/2072-666X/9/3/138/pdf |
| article html file updated | 20 March 2018 17:40 CET | Original file | - |
| article pdf uploaded. | 20 March 2018 17:38 CET | Version of Record | https://www.mdpi.com/2072-666X/9/3/138/pdf-vor |