| article html file updated | 8 February 2020 00:36 CET | Update | https://www.mdpi.com/2297-8747/22/1/24 |
| article html file updated | 23 September 2019 14:51 CEST | Update | - |
| article html file updated | 4 May 2019 08:37 CEST | Update | - |
| article html file updated | 2 March 2017 11:58 CET | Original file | - |
| article xml uploaded. | 2 March 2017 11:56 CET | Update | https://www.mdpi.com/2297-8747/22/1/24/xml |
| article pdf uploaded. | 2 March 2017 11:56 CET | Version of Record | https://www.mdpi.com/2297-8747/22/1/24/pdf |
