| article html file updated | 1 September 2025 15:55 CEST | Update | https://www.mdpi.com/2227-9040/8/4/131 |
| article html file updated | 23 July 2022 04:59 CEST | Update | N/A |
| article html file updated | 21 December 2020 07:33 CET | Update | N/A |
| article pdf uploaded. | 21 December 2020 07:31 CET | Updated version of record | https://www.mdpi.com/2227-9040/8/4/131/pdf |
| article xml uploaded. | 21 December 2020 07:31 CET | Update | https://www.mdpi.com/2227-9040/8/4/131/xml |
| article xml file uploaded | 21 December 2020 07:31 CET | Update | N/A |
| article html file updated | 18 December 2020 14:55 CET | Update | N/A |
| article pdf uploaded. | 18 December 2020 14:50 CET | Updated version of record | https://www.mdpi.com/2227-9040/8/4/131/pdf-vor |
| article xml uploaded. | 18 December 2020 14:50 CET | Update | N/A |
| article xml file uploaded | 18 December 2020 14:50 CET | Update | N/A |
| article html file updated | 16 December 2020 14:35 CET | Update | N/A |
| article pdf uploaded. | 16 December 2020 14:33 CET | Updated version of record | https://www.mdpi.com/2227-9040/8/4/131/pdf-vor |
| article xml uploaded. | 16 December 2020 14:33 CET | Update | N/A |
| article xml file uploaded | 16 December 2020 14:33 CET | Update | N/A |
| article html file updated | 15 December 2020 10:29 CET | Update | N/A |
| article pdf uploaded. | 15 December 2020 10:28 CET | Updated version of record | https://www.mdpi.com/2227-9040/8/4/131/pdf-vor |
| article xml uploaded. | 15 December 2020 10:28 CET | Update | N/A |
| article xml file uploaded | 15 December 2020 10:28 CET | Update | N/A |
| article html file updated | 13 December 2020 13:42 CET | Original file | N/A |
| article pdf uploaded. | 13 December 2020 13:40 CET | Version of Record | https://www.mdpi.com/2227-9040/8/4/131/pdf-vor |
| article xml uploaded. | 13 December 2020 13:40 CET | Update | N/A |
| article xml file uploaded | 13 December 2020 13:40 CET | Original file | N/A |
