| article html file updated | 31 August 2025 04:38 CEST | Update | https://www.mdpi.com/2223-7747/8/11/504 |
| article html file updated | 19 July 2022 23:39 CEST | Update | - |
| article html file updated | 14 February 2020 09:51 CET | Update | - |
| article html file updated | 27 November 2019 18:01 CET | Update | - |
| article html file updated | 21 November 2019 06:47 CET | Original file | - |
| article pdf uploaded. | 21 November 2019 06:46 CET | Updated version of record | https://www.mdpi.com/2223-7747/8/11/504/pdf |
| article xml uploaded. | 21 November 2019 06:46 CET | Update | https://www.mdpi.com/2223-7747/8/11/504/xml |
| article xml file uploaded | 21 November 2019 06:46 CET | Update | - |
| article pdf uploaded. | 14 November 2019 16:16 CET | Version of Record | https://www.mdpi.com/2223-7747/8/11/504/pdf-vor |
| article xml file uploaded | 14 November 2019 16:16 CET | Original file | - |
