| article html file updated | 8 February 2020 22:44 CET | Update | https://www.mdpi.com/1996-1073/10/12/1984 |
| article html file updated | 28 September 2019 21:18 CEST | Update | - |
| article html file updated | 2 May 2019 11:33 CEST | Update | - |
| article html file updated | 18 April 2019 09:10 CEST | Update | - |
| article html file updated | 2 January 2018 18:51 CET | Update | - |
| article html file updated | 1 December 2017 09:38 CET | Original file | - |
| article xml uploaded. | 1 December 2017 09:36 CET | Update | https://www.mdpi.com/1996-1073/10/12/1984/xml |
| article xml uploaded. | 1 December 2017 09:36 CET | Original file | - |
| article pdf uploaded. | 1 December 2017 09:36 CET | Version of Record | https://www.mdpi.com/1996-1073/10/12/1984/pdf |
