| article html file updated | 9 February 2020 01:00 CET | Update | https://www.mdpi.com/1996-1944/11/1/16 |
| article html file updated | 29 September 2019 10:40 CEST | Update | - |
| article html file updated | 2 May 2019 06:32 CEST | Update | - |
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| article html file updated | 1 February 2018 13:53 CET | Update | - |
| article html file updated | 23 December 2017 11:12 CET | Original file | - |
| article xml uploaded. | 23 December 2017 11:11 CET | Update | https://www.mdpi.com/1996-1944/11/1/16/xml |
| article xml uploaded. | 23 December 2017 11:10 CET | Update | - |
| article xml uploaded. | 23 December 2017 11:10 CET | Original file | - |
| article pdf uploaded. | 23 December 2017 11:10 CET | Version of Record | https://www.mdpi.com/1996-1944/11/1/16/pdf |