| article html file updated | 31 August 2025 16:59 CEST | Update | https://www.mdpi.com/2304-8158/9/4/472 |
| article html file updated | 21 July 2022 01:28 CEST | Update | N/A |
| article html file updated | 20 April 2020 05:09 CEST | Original file | N/A |
| article pdf uploaded. | 20 April 2020 05:07 CEST | Updated version of record | https://www.mdpi.com/2304-8158/9/4/472/pdf |
| article xml uploaded. | 20 April 2020 05:07 CEST | Update | https://www.mdpi.com/2304-8158/9/4/472/xml |
| article xml file uploaded | 20 April 2020 05:07 CEST | Update | N/A |
| article pdf uploaded. | 9 April 2020 18:17 CEST | Version of Record | https://www.mdpi.com/2304-8158/9/4/472/pdf-vor |
| article xml file uploaded | 9 April 2020 18:17 CEST | Original file | N/A |
