| article html file updated | 30 August 2025 22:11 CEST | Update | https://www.mdpi.com/2227-7072/7/3/38 |
| article html file updated | 21 August 2025 21:37 CEST | Update | - |
| article html file updated | 20 July 2022 07:22 CEST | Update | - |
| article html file updated | 13 February 2020 00:50 CET | Update | - |
| article html file updated | 26 September 2019 16:21 CEST | Update | - |
| article html file updated | 8 July 2019 08:14 CEST | Original file | - |
| article pdf uploaded. | 8 July 2019 08:13 CEST | Version of Record | https://www.mdpi.com/2227-7072/7/3/38/pdf |
| article xml uploaded. | 8 July 2019 08:13 CEST | Update | https://www.mdpi.com/2227-7072/7/3/38/xml |
| article xml file uploaded | 8 July 2019 08:13 CEST | Original file | - |
