| article html file updated | 31 August 2025 12:17 CEST | Update | https://www.mdpi.com/2227-9059/8/2/39 |
| article html file updated | 20 July 2022 20:47 CEST | Update | N/A |
| article html file updated | 6 March 2020 08:00 CET | Update | N/A |
| article html file updated | 1 March 2020 09:10 CET | Original file | N/A |
| article pdf uploaded. | 1 March 2020 09:09 CET | Updated version of record | https://www.mdpi.com/2227-9059/8/2/39/pdf |
| article xml uploaded. | 1 March 2020 09:09 CET | Update | https://www.mdpi.com/2227-9059/8/2/39/xml |
| article xml file uploaded | 1 March 2020 09:09 CET | Update | N/A |
| article pdf uploaded. | 20 February 2020 16:17 CET | Version of Record | https://www.mdpi.com/2227-9059/8/2/39/pdf-vor |
| article xml file uploaded | 20 February 2020 16:17 CET | Original file | N/A |
