| article html file updated | 9 February 2020 01:15 CET | Update | https://new.mdpi.com/1996-1944/11/1/31 |
| article html file updated | 29 September 2019 11:56 CEST | Update | - |
| article html file updated | 2 May 2019 06:02 CEST | Update | - |
| article html file updated | 18 April 2019 04:01 CEST | Update | - |
| article html file updated | 28 March 2019 11:17 CET | Update | - |
| article html file updated | 1 February 2018 14:09 CET | Update | - |
| article html file updated | 26 December 2017 11:16 CET | Original file | - |
| article xml uploaded. | 26 December 2017 11:15 CET | Update | https://new.mdpi.com/1996-1944/11/1/31/xml |
| article xml uploaded. | 26 December 2017 11:15 CET | Original file | - |
| article pdf uploaded. | 26 December 2017 11:15 CET | Version of Record | https://new.mdpi.com/1996-1944/11/1/31/pdf |
