| article html file updated | 7 February 2020 20:23 CET | Update | https://www.mdpi.com/2297-8747/22/1/2 |
| article html file updated | 22 September 2019 15:40 CEST | Update | N/A |
| article html file updated | 4 May 2019 17:38 CEST | Update | N/A |
| article html file updated | 27 December 2016 12:18 CET | Original file | N/A |
| article xml uploaded. | 27 December 2016 11:49 CET | Update | https://www.mdpi.com/2297-8747/22/1/2/xml |
| article xml uploaded. | 27 December 2016 11:49 CET | Original file | N/A |
| article pdf uploaded. | 27 December 2016 11:49 CET | Version of Record | https://www.mdpi.com/2297-8747/22/1/2/pdf |
