| article html file updated | 1 September 2025 15:47 CEST | Update | https://www.mdpi.com/2227-9032/8/4/554 |
| article html file updated | 23 July 2022 04:45 CEST | Update | N/A |
| article html file updated | 14 December 2020 12:23 CET | Update | N/A |
| article pdf uploaded. | 14 December 2020 12:22 CET | Updated version of record | https://www.mdpi.com/2227-9032/8/4/554/pdf |
| article xml uploaded. | 14 December 2020 12:22 CET | Update | https://www.mdpi.com/2227-9032/8/4/554/xml |
| article xml file uploaded | 14 December 2020 12:22 CET | Update | N/A |
| article html file updated | 14 December 2020 04:51 CET | Update | N/A |
| article xml file uploaded | 14 December 2020 04:50 CET | Update | N/A |
| article pdf uploaded. | 14 December 2020 04:50 CET | Updated version of record | https://www.mdpi.com/2227-9032/8/4/554/pdf-vor |
| article xml uploaded. | 14 December 2020 04:50 CET | Update | N/A |
| article html file updated | 14 December 2020 01:50 CET | Update | N/A |
| article pdf uploaded. | 14 December 2020 01:49 CET | Updated version of record | https://www.mdpi.com/2227-9032/8/4/554/pdf-vor |
| article xml uploaded. | 14 December 2020 01:49 CET | Update | N/A |
| article xml file uploaded | 14 December 2020 01:49 CET | Update | N/A |
| article html file updated | 11 December 2020 13:06 CET | Original file | N/A |
| article pdf uploaded. | 11 December 2020 13:04 CET | Version of Record | https://www.mdpi.com/2227-9032/8/4/554/pdf-vor |
| article xml uploaded. | 11 December 2020 13:04 CET | Update | N/A |
| article xml file uploaded | 11 December 2020 13:04 CET | Original file | N/A |
