| article html file updated | 30 August 2025 23:01 CEST | Update | https://www.mdpi.com/1999-4907/10/8/621 |
| article html file updated | 20 July 2022 06:22 CEST | Update | N/A |
| article html file updated | 13 February 2020 05:02 CET | Update | N/A |
| article html file updated | 27 August 2019 13:07 CEST | Update | N/A |
| article html file updated | 30 July 2019 10:03 CEST | Original file | N/A |
| article pdf uploaded. | 30 July 2019 10:02 CEST | Updated version of record | https://www.mdpi.com/1999-4907/10/8/621/pdf |
| article xml uploaded. | 30 July 2019 10:02 CEST | Update | https://www.mdpi.com/1999-4907/10/8/621/xml |
| article xml file uploaded | 30 July 2019 10:01 CEST | Update | N/A |
| article pdf uploaded. | 25 July 2019 16:35 CEST | Version of Record | https://www.mdpi.com/1999-4907/10/8/621/pdf-vor |
| article xml file uploaded | 25 July 2019 16:35 CEST | Original file | N/A |
