| article html file updated | 13 February 2020 01:47 CET | Update | https://www.mdpi.com/2297-8747/24/3/69 |
| article html file updated | 26 September 2019 13:24 CEST | Update | N/A |
| article html file updated | 15 July 2019 05:07 CEST | Original file | N/A |
| article pdf uploaded. | 15 July 2019 05:05 CEST | Updated version of record | https://www.mdpi.com/2297-8747/24/3/69/pdf |
| article xml uploaded. | 15 July 2019 05:05 CEST | Update | https://www.mdpi.com/2297-8747/24/3/69/xml |
| article xml file uploaded | 15 July 2019 05:05 CEST | Update | N/A |
| article pdf uploaded. | 11 July 2019 15:47 CEST | Version of Record | https://www.mdpi.com/2297-8747/24/3/69/pdf-vor |
| article xml file uploaded | 11 July 2019 15:47 CEST | Original file | N/A |
