| article html file updated | 31 August 2025 11:14 CEST | Update | https://www.mdpi.com/2076-0752/9/1/18 |
| article html file updated | 20 July 2022 19:46 CEST | Update | - |
| article html file updated | 26 March 2020 12:10 CET | Original file | - |
| article pdf uploaded. | 26 March 2020 12:09 CET | Updated version of record | https://www.mdpi.com/2076-0752/9/1/18/pdf |
| article xml uploaded. | 26 March 2020 12:09 CET | Update | https://www.mdpi.com/2076-0752/9/1/18/xml |
| article xml file uploaded | 26 March 2020 12:09 CET | Update | - |
| article pdf uploaded. | 10 February 2020 14:04 CET | Version of Record | https://www.mdpi.com/2076-0752/9/1/18/pdf-vor |
| article xml file uploaded | 10 February 2020 14:04 CET | Original file | - |
