| article html file updated | 1 September 2025 00:21 CEST | Update | https://www.mdpi.com/2223-7747/9/6/777 |
| article html file updated | 21 July 2022 21:39 CEST | Update | - |
| article html file updated | 6 July 2020 13:06 CEST | Update | - |
| article html file updated | 22 June 2020 18:35 CEST | Original file | - |
| article pdf uploaded. | 22 June 2020 18:33 CEST | Updated version of record | https://www.mdpi.com/2223-7747/9/6/777/pdf |
| article xml uploaded. | 22 June 2020 18:33 CEST | Update | https://www.mdpi.com/2223-7747/9/6/777/xml |
| article xml file uploaded | 22 June 2020 18:33 CEST | Original file | - |
| article pdf uploaded. | 22 June 2020 12:08 CEST | Updated version of record | - |
| article supplementary file uploaded. | 22 June 2020 12:07 CEST | - | https://www.mdpi.com/2223-7747/9/6/777#supplementary |
