| article html file updated | 31 August 2025 16:47 CEST | Update | https://www.mdpi.com/2304-8158/9/4/455 |
| article html file updated | 21 July 2022 01:16 CEST | Update | - |
| article html file updated | 13 April 2020 15:00 CEST | Update | - |
| article pdf uploaded. | 13 April 2020 14:59 CEST | Updated version of record | https://www.mdpi.com/2304-8158/9/4/455/pdf |
| article xml uploaded. | 13 April 2020 14:59 CEST | Update | https://www.mdpi.com/2304-8158/9/4/455/xml |
| article xml file uploaded | 13 April 2020 14:59 CEST | Update | - |
| article html file updated | 8 April 2020 12:30 CEST | Original file | - |
| article pdf uploaded. | 8 April 2020 12:29 CEST | Updated version of record | https://www.mdpi.com/2304-8158/9/4/455/pdf-vor |
| article xml file uploaded | 8 April 2020 12:29 CEST | Update | - |
| article pdf uploaded. | 8 April 2020 12:29 CEST | Version of Record | https://www.mdpi.com/2304-8158/9/4/455/pdf-vor |
| article xml file uploaded | 8 April 2020 12:29 CEST | Original file | - |
