| article html file updated | 9 February 2020 11:46 CET | Update | https://www.mdpi.com/1996-1944/11/4/520 |
| article html file updated | 1 May 2019 07:36 CEST | Update | - |
| article html file updated | 17 April 2019 07:35 CEST | Update | - |
| article html file updated | 29 March 2019 11:00 CET | Update | - |
| article html file updated | 2 May 2018 13:53 CEST | Update | - |
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| article html file updated | 2 April 2018 23:12 CEST | Update | - |
| article xml uploaded. | 2 April 2018 07:26 CEST | Update | https://www.mdpi.com/1996-1944/11/4/520/xml |
| article pdf uploaded. | 2 April 2018 07:26 CEST | Updated version of record | https://www.mdpi.com/1996-1944/11/4/520/pdf |
| article html file updated | 29 March 2018 15:30 CEST | Original file | - |
| article pdf uploaded. | 29 March 2018 15:28 CEST | Version of Record | https://www.mdpi.com/1996-1944/11/4/520/pdf-vor |
