| article html file updated | 10 September 2021 04:19 CEST | Update | https://www.mdpi.com/2297-8747/23/1/7 |
| article html file updated | 10 September 2021 04:19 CEST | Update | - |
| article html file updated | 10 September 2021 04:19 CEST | Update | - |
| article xml uploaded. | 10 September 2021 04:18 CEST | Update | https://www.mdpi.com/2297-8747/23/1/7/xml |
| article xml uploaded. | 10 September 2021 04:18 CEST | Update | - |
| article html file updated | 9 February 2020 05:25 CET | Update | - |
| article html file updated | 1 May 2019 21:11 CEST | Update | - |
| article html file updated | 17 April 2019 20:06 CEST | Update | - |
| article html file updated | 28 March 2019 20:42 CET | Update | - |
| article html file updated | 12 February 2018 04:18 CET | Update | - |
| article xml uploaded. | 12 February 2018 04:17 CET | Update | - |
| article pdf uploaded. | 12 February 2018 04:17 CET | Updated version of record | https://www.mdpi.com/2297-8747/23/1/7/pdf |
| article html file updated | 3 February 2018 11:39 CET | Original file | - |
| article xml uploaded. | 3 February 2018 11:38 CET | Original file | - |
| article pdf uploaded. | 3 February 2018 11:38 CET | Version of Record | https://www.mdpi.com/2297-8747/23/1/7/pdf-vor |