| article html file updated | 15 August 2026 13:10 CEST | Update | https://www.mdpi.com/2077-0383/8/1/6 |
| article html file updated | 30 August 2025 10:10 CEST | Update | N/A |
| article html file updated | 21 August 2025 20:25 CEST | Update | N/A |
| article html file updated | 17 July 2022 17:23 CEST | Update | N/A |
| article html file updated | 11 February 2020 04:20 CET | Update | N/A |
| article html file updated | 12 October 2019 06:04 CEST | Update | N/A |
| article html file updated | 27 April 2019 16:47 CEST | Update | N/A |
| article html file updated | 13 April 2019 12:38 CEST | Update | N/A |
| article html file updated | 2 April 2019 16:19 CEST | Update | N/A |
| article html file updated | 20 December 2018 11:33 CET | Original file | N/A |
| article pdf uploaded. | 20 December 2018 11:31 CET | Version of Record | https://www.mdpi.com/2077-0383/8/1/6/pdf |
| article xml uploaded. | 20 December 2018 11:31 CET | Update | https://www.mdpi.com/2077-0383/8/1/6/xml |
| article xml file uploaded | 20 December 2018 11:31 CET | Original file | N/A |
