| article html file updated | 17 August 2026 07:20 CEST | Update | https://www.mdpi.com/2304-8158/9/4/394 |
| article html file updated | 31 August 2025 15:53 CEST | Update | N/A |
| article html file updated | 21 July 2022 00:22 CEST | Update | N/A |
| article html file updated | 1 April 2020 08:20 CEST | Original file | N/A |
| article pdf uploaded. | 1 April 2020 08:19 CEST | Updated version of record | https://www.mdpi.com/2304-8158/9/4/394/pdf |
| article xml uploaded. | 1 April 2020 08:19 CEST | Update | https://www.mdpi.com/2304-8158/9/4/394/xml |
| article xml file uploaded | 1 April 2020 08:19 CEST | Update | N/A |
| article pdf uploaded. | 30 March 2020 13:05 CEST | Version of Record | https://www.mdpi.com/2304-8158/9/4/394/pdf-vor |
| article xml file uploaded | 30 March 2020 13:05 CEST | Original file | N/A |
