| article html file updated | 31 August 2025 07:05 CEST | Update | https://www.mdpi.com/2076-3921/9/1/7 |
| article html file updated | 19 July 2022 21:12 CEST | Update | N/A |
| article html file updated | 14 February 2020 20:26 CET | Update | N/A |
| article html file updated | 7 February 2020 14:04 CET | Update | N/A |
| article html file updated | 20 December 2019 11:53 CET | Original file | N/A |
| article pdf uploaded. | 20 December 2019 11:51 CET | Version of Record | https://www.mdpi.com/2076-3921/9/1/7/pdf |
| article xml uploaded. | 20 December 2019 11:51 CET | Update | https://www.mdpi.com/2076-3921/9/1/7/xml |
| article xml file uploaded | 20 December 2019 11:51 CET | Original file | N/A |
