| article html file updated | 31 August 2025 11:45 CEST | Update | https://www.mdpi.com/2220-9964/9/2/109 |
| article html file updated | 20 July 2022 20:16 CEST | Update | N/A |
| article html file updated | 6 March 2020 17:50 CET | Update | N/A |
| article html file updated | 28 February 2020 08:20 CET | Original file | N/A |
| article pdf uploaded. | 28 February 2020 08:18 CET | Updated version of record | https://www.mdpi.com/2220-9964/9/2/109/pdf |
| article xml uploaded. | 28 February 2020 08:18 CET | Update | https://www.mdpi.com/2220-9964/9/2/109/xml |
| article xml file uploaded | 28 February 2020 08:18 CET | Update | N/A |
| article pdf uploaded. | 14 February 2020 17:30 CET | Version of Record | https://www.mdpi.com/2220-9964/9/2/109/pdf-vor |
| article xml file uploaded | 14 February 2020 17:30 CET | Original file | N/A |
