| article html file updated | 9 February 2020 03:20 CET | Update | https://www.mdpi.com/2072-666X/9/1/31 |
| article html file updated | 29 September 2019 23:37 CEST | Update | - |
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| article xml uploaded. | 18 January 2018 07:32 CET | Update | https://www.mdpi.com/2072-666X/9/1/31/xml |
| article pdf uploaded. | 18 January 2018 07:32 CET | Updated version of record | https://www.mdpi.com/2072-666X/9/1/31/pdf |
| article html file updated | 17 January 2018 06:40 CET | Original file | - |
| article xml uploaded. | 17 January 2018 06:39 CET | Update | - |
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