| article html file updated | 1 September 2025 10:03 CEST | Update | https://www.mdpi.com/2218-6581/9/4/81 |
| article html file updated | 22 July 2022 09:32 CEST | Update | - |
| article html file updated | 19 October 2020 05:18 CEST | Original file | - |
| article supplementary file uploaded. | 19 October 2020 05:16 CEST | - | https://www.mdpi.com/2218-6581/9/4/81#supplementary |
| article pdf uploaded. | 19 October 2020 05:16 CEST | Updated version of record | https://www.mdpi.com/2218-6581/9/4/81/pdf |
| article xml uploaded. | 19 October 2020 05:16 CEST | Update | https://www.mdpi.com/2218-6581/9/4/81/xml |
| article xml file uploaded | 19 October 2020 05:16 CEST | Original file | - |
| article pdf uploaded. | 2 October 2020 16:56 CEST | Version of Record | https://www.mdpi.com/2218-6581/9/4/81/pdf-vor |
