| article html file updated | 11 February 2020 05:16 CET | Update | https://www.mdpi.com/1996-1944/12/1/66 |
| article html file updated | 21 May 2019 11:09 CEST | Update | - |
| article xml uploaded. | 21 May 2019 11:08 CEST | Update | https://www.mdpi.com/1996-1944/12/1/66/xml |
| article pdf uploaded. | 21 May 2019 11:08 CEST | Updated version of record | https://www.mdpi.com/1996-1944/12/1/66/pdf |
| article html file updated | 27 April 2019 14:38 CEST | Update | - |
| article html file updated | 13 April 2019 10:35 CEST | Update | - |
| article html file updated | 2 April 2019 18:41 CEST | Update | - |
| article html file updated | 16 January 2019 05:21 CET | Update | - |
| article html file updated | 25 December 2018 12:49 CET | Original file | - |
| article xml uploaded. | 25 December 2018 12:48 CET | Original file | - |
| article pdf uploaded. | 25 December 2018 12:48 CET | Version of Record | https://www.mdpi.com/1996-1944/12/1/66/pdf-vor |
