| article html file updated | 31 August 2025 16:03 CEST | Update | https://www.mdpi.com/2304-8158/9/4/399 |
| article html file updated | 21 August 2025 23:45 CEST | Update | - |
| article html file updated | 21 July 2022 00:33 CEST | Update | - |
| article html file updated | 3 April 2020 14:51 CEST | Original file | - |
| article pdf uploaded. | 3 April 2020 14:50 CEST | Updated version of record | https://www.mdpi.com/2304-8158/9/4/399/pdf |
| article xml uploaded. | 3 April 2020 14:50 CEST | Update | https://www.mdpi.com/2304-8158/9/4/399/xml |
| article xml file uploaded | 3 April 2020 14:50 CEST | Update | - |
| article pdf uploaded. | 31 March 2020 18:00 CEST | Updated version of record | https://www.mdpi.com/2304-8158/9/4/399/pdf-vor |
| article xml file uploaded | 31 March 2020 18:00 CEST | Update | - |
| article pdf uploaded. | 31 March 2020 18:00 CEST | Version of Record | https://www.mdpi.com/2304-8158/9/4/399/pdf-vor |
| article xml file uploaded | 31 March 2020 18:00 CEST | Original file | - |
