| article html file updated | 31 August 2025 17:17 CEST | Update | https://www.mdpi.com/2223-7747/9/4/497 |
| article html file updated | 21 July 2022 01:46 CEST | Update | - |
| article html file updated | 9 May 2020 04:32 CEST | Update | - |
| article html file updated | 23 April 2020 09:27 CEST | Original file | - |
| article pdf uploaded. | 23 April 2020 09:26 CEST | Updated version of record | https://www.mdpi.com/2223-7747/9/4/497/pdf |
| article xml uploaded. | 23 April 2020 09:26 CEST | Update | https://www.mdpi.com/2223-7747/9/4/497/xml |
| article xml file uploaded | 23 April 2020 09:26 CEST | Update | - |
| article supplementary file uploaded. | 13 April 2020 15:28 CEST | - | https://www.mdpi.com/2223-7747/9/4/497#supplementary |
| article pdf uploaded. | 13 April 2020 15:28 CEST | Version of Record | https://www.mdpi.com/2223-7747/9/4/497/pdf-vor |
| article xml file uploaded | 13 April 2020 15:28 CEST | Original file | - |
