| article html file updated | 1 September 2025 15:11 CEST | Update | https://www.mdpi.com/2227-9032/8/4/538 |
| article html file updated | 23 July 2022 03:47 CEST | Update | N/A |
| article html file updated | 4 December 2020 21:43 CET | Update | N/A |
| article html file updated | 4 December 2020 21:28 CET | Update | N/A |
| article html file updated | 4 December 2020 20:08 CET | Original file | N/A |
| article pdf uploaded. | 4 December 2020 11:36 CET | Updated version of record | https://www.mdpi.com/2227-9032/8/4/538/pdf |
| article xml uploaded. | 4 December 2020 11:36 CET | Update | https://www.mdpi.com/2227-9032/8/4/538/xml |
| article xml file uploaded | 4 December 2020 11:36 CET | Update | N/A |
| article pdf uploaded. | 4 December 2020 11:02 CET | Updated version of record | N/A |
| article xml uploaded. | 4 December 2020 11:02 CET | Update | N/A |
| article xml file uploaded | 4 December 2020 11:02 CET | Update | N/A |
| article pdf uploaded. | 4 December 2020 08:00 CET | Version of Record | N/A |
| article xml uploaded. | 4 December 2020 08:00 CET | Update | N/A |
| article xml file uploaded | 4 December 2020 08:00 CET | Original file | N/A |