| article html file updated | 31 August 2025 03:29 CEST | Update | https://www.mdpi.com/2227-9091/7/4/107 |
| article html file updated | 21 August 2025 23:03 CEST | Update | - |
| article html file updated | 14 February 2020 03:53 CET | Update | - |
| article html file updated | 31 December 2019 00:07 CET | Update | - |
| article html file updated | 29 October 2019 01:29 CET | Update | - |
| article pdf uploaded. | 29 October 2019 01:28 CET | Updated version of record | https://www.mdpi.com/2227-9091/7/4/107/pdf |
| article xml uploaded. | 29 October 2019 01:28 CET | Update | https://www.mdpi.com/2227-9091/7/4/107/xml |
| article xml file uploaded | 29 October 2019 01:28 CET | Update | - |
| article html file updated | 25 October 2019 09:53 CEST | Original file | - |
| article pdf uploaded. | 25 October 2019 09:51 CEST | Version of Record | https://www.mdpi.com/2227-9091/7/4/107/pdf-vor |
| article xml uploaded. | 25 October 2019 09:51 CEST | Update | - |
| article xml file uploaded | 25 October 2019 09:51 CEST | Original file | - |
