| article html file updated | 9 February 2020 01:26 CET | Update | https://www.mdpi.com/1996-1944/11/1/42 |
| article html file updated | 2 May 2019 05:38 CEST | Update | - |
| article html file updated | 18 April 2019 03:39 CEST | Update | - |
| article html file updated | 28 March 2019 11:44 CET | Update | - |
| article html file updated | 1 February 2018 14:15 CET | Update | - |
| article html file updated | 28 December 2017 14:17 CET | Original file | - |
| article xml uploaded. | 28 December 2017 14:16 CET | Update | https://www.mdpi.com/1996-1944/11/1/42/xml |
| article xml uploaded. | 28 December 2017 14:16 CET | Update | - |
| article xml uploaded. | 28 December 2017 14:16 CET | Original file | - |
| article pdf uploaded. | 28 December 2017 14:16 CET | Version of Record | https://www.mdpi.com/1996-1944/11/1/42/pdf |
