| article html file updated | 31 August 2025 03:20 CEST | Update | https://www.mdpi.com/2223-7747/8/11/437 |
| article html file updated | 20 July 2022 01:07 CEST | Update | N/A |
| article html file updated | 14 February 2020 03:06 CET | Update | N/A |
| article html file updated | 27 November 2019 17:21 CET | Update | N/A |
| article html file updated | 23 October 2019 10:22 CEST | Original file | N/A |
| article pdf uploaded. | 23 October 2019 10:16 CEST | Version of Record | https://www.mdpi.com/2223-7747/8/11/437/pdf |
| article xml uploaded. | 23 October 2019 10:16 CEST | Update | https://www.mdpi.com/2223-7747/8/11/437/xml |
| article xml file uploaded | 23 October 2019 10:16 CEST | Original file | N/A |
