| article html file updated | 31 August 2025 16:08 CEST | Update | https://www.mdpi.com/2304-8158/9/4/407 |
| article html file updated | 21 July 2022 00:37 CEST | Update | N/A |
| article html file updated | 7 April 2020 04:23 CEST | Update | N/A |
| article pdf uploaded. | 7 April 2020 04:22 CEST | Updated version of record | https://www.mdpi.com/2304-8158/9/4/407/pdf |
| article xml uploaded. | 7 April 2020 04:22 CEST | Update | https://www.mdpi.com/2304-8158/9/4/407/xml |
| article xml file uploaded | 7 April 2020 04:22 CEST | Update | N/A |
| article html file updated | 3 April 2020 03:16 CEST | Update | N/A |
| article pdf uploaded. | 3 April 2020 03:14 CEST | Updated version of record | https://www.mdpi.com/2304-8158/9/4/407/pdf-vor |
| article xml file uploaded | 3 April 2020 03:14 CEST | Update | N/A |
| article html file updated | 2 April 2020 12:45 CEST | Original file | N/A |
| article pdf uploaded. | 1 April 2020 13:46 CEST | Version of Record | https://www.mdpi.com/2304-8158/9/4/407/pdf-vor |
| article xml file uploaded | 1 April 2020 13:46 CEST | Original file | N/A |
