| article html file updated | 31 August 2025 22:50 CEST | Update | https://www.mdpi.com/2224-2708/9/2/28 |
| article html file updated | 21 July 2022 20:05 CEST | Update | N/A |
| article html file updated | 30 June 2020 11:05 CEST | Update | N/A |
| article pdf uploaded. | 30 June 2020 11:03 CEST | Updated version of record | https://www.mdpi.com/2224-2708/9/2/28/pdf |
| article xml uploaded. | 30 June 2020 11:03 CEST | Update | https://www.mdpi.com/2224-2708/9/2/28/xml |
| article xml file uploaded | 30 June 2020 11:03 CEST | Update | N/A |
| article html file updated | 30 June 2020 10:56 CEST | Original file | N/A |
| article pdf uploaded. | 30 June 2020 10:54 CEST | Updated version of record | https://www.mdpi.com/2224-2708/9/2/28/pdf-vor |
| article xml file uploaded | 30 June 2020 10:54 CEST | Original file | N/A |
| article pdf uploaded. | 6 June 2020 11:13 CEST | Version of Record | https://www.mdpi.com/2224-2708/9/2/28/pdf-vor |
