| article html file updated | 25 December 2025 14:09 CET | Update | https://www.mdpi.com/2199-8531/7/2/156 |
| article html file updated | 2 September 2025 10:56 CEST | Update | N/A |
| article html file updated | 27 July 2022 00:11 CEST | Update | N/A |
| article html file updated | 14 June 2021 14:06 CEST | Update | N/A |
| article pdf uploaded. | 14 June 2021 14:05 CEST | Updated version of record | https://www.mdpi.com/2199-8531/7/2/156/pdf |
| article xml uploaded. | 14 June 2021 14:05 CEST | Update | https://www.mdpi.com/2199-8531/7/2/156/xml |
| article xml file uploaded | 14 June 2021 14:05 CEST | Update | N/A |
| article html file updated | 14 June 2021 14:04 CEST | Update | N/A |
| article pdf uploaded. | 14 June 2021 14:02 CEST | Updated version of record | N/A |
| article xml file uploaded | 14 June 2021 14:02 CEST | Update | N/A |
| article html file updated | 14 June 2021 09:12 CEST | Original file | N/A |
| article xml file uploaded | 14 June 2021 09:11 CEST | Original file | N/A |
