| article html file updated | 1 September 2025 12:01 CEST | Update | https://www.mdpi.com/2309-608X/6/4/251 |
| article html file updated | 22 July 2022 22:40 CEST | Update | - |
| article html file updated | 30 October 2020 13:58 CET | Update | - |
| article pdf uploaded. | 30 October 2020 13:56 CET | Updated version of record | https://www.mdpi.com/2309-608X/6/4/251/pdf |
| article xml uploaded. | 30 October 2020 13:56 CET | Update | https://www.mdpi.com/2309-608X/6/4/251/xml |
| article xml file uploaded | 30 October 2020 13:56 CET | Update | - |
| article html file updated | 27 October 2020 11:54 CET | Original file | - |
| article supplementary file uploaded. | 27 October 2020 11:52 CET | - | https://www.mdpi.com/2309-608X/6/4/251#supplementary |
| article pdf uploaded. | 27 October 2020 11:52 CET | Version of Record | - |
| article xml uploaded. | 27 October 2020 11:52 CET | Update | - |
| article xml file uploaded | 27 October 2020 11:52 CET | Original file | - |
