| article html file updated | 9 February 2020 03:21 CET | Update | https://www.mdpi.com/1996-1944/11/1/147 |
| article html file updated | 29 September 2019 23:45 CEST | Update | - |
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| article html file updated | 1 February 2018 14:48 CET | Update | - |
| article html file updated | 17 January 2018 08:40 CET | Original file | - |
| article xml uploaded. | 17 January 2018 08:39 CET | Update | https://www.mdpi.com/1996-1944/11/1/147/xml |
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| article pdf uploaded. | 17 January 2018 08:39 CET | Version of Record | https://www.mdpi.com/1996-1944/11/1/147/pdf |
