| article html file updated | 15 August 2026 12:16 CEST | Update | https://www.mdpi.com/2077-0383/7/12/521 |
| article html file updated | 30 August 2025 09:40 CEST | Update | N/A |
| article html file updated | 21 August 2025 20:25 CEST | Update | N/A |
| article html file updated | 17 July 2022 13:51 CEST | Update | N/A |
| article html file updated | 11 February 2020 01:43 CET | Update | N/A |
| article html file updated | 11 October 2019 14:23 CEST | Update | N/A |
| article html file updated | 27 April 2019 22:39 CEST | Update | N/A |
| article html file updated | 13 April 2019 18:31 CEST | Update | N/A |
| article html file updated | 2 April 2019 09:10 CEST | Update | N/A |
| article html file updated | 7 December 2018 03:56 CET | Original file | N/A |
| article pdf uploaded. | 7 December 2018 03:55 CET | Version of Record | https://www.mdpi.com/2077-0383/7/12/521/pdf |
| article xml uploaded. | 7 December 2018 03:55 CET | Update | https://www.mdpi.com/2077-0383/7/12/521/xml |
| article xml file uploaded | 7 December 2018 03:55 CET | Original file | N/A |