| article html file updated | 31 August 2025 03:02 CEST | Update | https://www.mdpi.com/1996-1073/12/20/3930 |
| article html file updated | 20 July 2022 01:29 CEST | Update | N/A |
| article html file updated | 14 February 2020 01:30 CET | Update | N/A |
| article html file updated | 29 October 2019 22:03 CET | Update | N/A |
| article html file updated | 23 October 2019 14:13 CEST | Original file | N/A |
| article pdf uploaded. | 23 October 2019 14:11 CEST | Updated version of record | https://www.mdpi.com/1996-1073/12/20/3930/pdf |
| article xml uploaded. | 23 October 2019 14:11 CEST | Update | https://www.mdpi.com/1996-1073/12/20/3930/xml |
| article xml file uploaded | 23 October 2019 14:11 CEST | Update | N/A |
| article pdf uploaded. | 16 October 2019 15:35 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/20/3930/pdf-vor |
| article xml file uploaded | 16 October 2019 15:35 CEST | Original file | N/A |