| article html file updated | 31 August 2025 03:36 CEST | Update | https://www.mdpi.com/1996-1073/12/21/4104 |
| article html file updated | 20 July 2022 00:48 CEST | Update | N/A |
| article html file updated | 14 February 2020 04:29 CET | Update | N/A |
| article html file updated | 15 November 2019 08:08 CET | Update | N/A |
| article html file updated | 28 October 2019 07:50 CET | Original file | N/A |
| article pdf uploaded. | 28 October 2019 07:48 CET | Version of Record | https://www.mdpi.com/1996-1073/12/21/4104/pdf |
| article xml uploaded. | 28 October 2019 07:48 CET | Update | https://www.mdpi.com/1996-1073/12/21/4104/xml |
| article xml file uploaded | 28 October 2019 07:48 CET | Original file | N/A |
