| article html file updated | 1 September 2025 03:28 CEST | Update | https://www.mdpi.com/2227-9032/8/3/221 |
| article html file updated | 22 July 2022 00:42 CEST | Update | N/A |
| article html file updated | 21 July 2020 09:00 CEST | Original file | N/A |
| article pdf uploaded. | 21 July 2020 08:58 CEST | Updated version of record | https://www.mdpi.com/2227-9032/8/3/221/pdf |
| article xml uploaded. | 21 July 2020 08:58 CEST | Update | https://www.mdpi.com/2227-9032/8/3/221/xml |
| article xml file uploaded | 21 July 2020 08:58 CEST | Original file | N/A |
| article pdf uploaded. | 20 July 2020 14:40 CEST | Version of Record | https://www.mdpi.com/2227-9032/8/3/221/pdf-vor |
