| article html file updated | 31 August 2025 16:33 CEST | Update | https://www.mdpi.com/2304-8158/9/4/437 |
| article html file updated | 21 July 2022 01:03 CEST | Update | - |
| article html file updated | 28 June 2021 12:42 CEST | Update | - |
| article xml uploaded. | 28 June 2021 12:40 CEST | Update | https://www.mdpi.com/2304-8158/9/4/437/xml |
| article pdf uploaded. | 28 June 2021 12:40 CEST | Updated version of record | https://www.mdpi.com/2304-8158/9/4/437/pdf |
| article html file updated | 8 April 2020 16:10 CEST | Original file | - |
| article pdf uploaded. | 8 April 2020 16:09 CEST | Updated version of record | https://www.mdpi.com/2304-8158/9/4/437/pdf-vor |
| article xml file uploaded | 8 April 2020 16:09 CEST | Update | - |
| article pdf uploaded. | 5 April 2020 13:40 CEST | Version of Record | https://www.mdpi.com/2304-8158/9/4/437/pdf-vor |
| article xml file uploaded | 5 April 2020 13:40 CEST | Original file | - |
