| article html file updated | 31 August 2025 08:08 CEST | Update | https://www.mdpi.com/2227-7390/8/1/81 |
| article html file updated | 19 July 2022 20:10 CEST | Update | N/A |
| article html file updated | 14 February 2020 23:56 CET | Update | N/A |
| article html file updated | 5 February 2020 21:44 CET | Update | N/A |
| article html file updated | 10 January 2020 03:27 CET | Original file | N/A |
| article pdf uploaded. | 6 January 2020 12:05 CET | Updated version of record | https://www.mdpi.com/2227-7390/8/1/81/pdf |
| article xml uploaded. | 6 January 2020 12:05 CET | Update | https://www.mdpi.com/2227-7390/8/1/81/xml |
| article xml file uploaded | 6 January 2020 12:05 CET | Update | N/A |
| article pdf uploaded. | 3 January 2020 12:09 CET | Version of Record | https://www.mdpi.com/2227-7390/8/1/81/pdf-vor |
| article xml file uploaded | 3 January 2020 12:09 CET | Original file | N/A |
