| article html file updated | 11 February 2020 05:31 CET | Update | https://www.mdpi.com/2297-8747/24/1/2 |
| article html file updated | 27 April 2019 14:03 CEST | Update | - |
| article html file updated | 13 April 2019 10:01 CEST | Update | - |
| article html file updated | 2 April 2019 19:19 CEST | Update | - |
| article html file updated | 27 December 2018 10:54 CET | Original file | - |
| article pdf uploaded. | 27 December 2018 10:53 CET | Version of Record | https://www.mdpi.com/2297-8747/24/1/2/pdf |
| article xml uploaded. | 27 December 2018 10:53 CET | Update | https://www.mdpi.com/2297-8747/24/1/2/xml |
| article xml file uploaded | 27 December 2018 10:53 CET | Original file | - |
