| article html file updated | 15 August 2026 10:15 CEST | Update | https://www.mdpi.com/2075-4663/6/4/140 |
| article html file updated | 30 August 2025 08:30 CEST | Update | N/A |
| article html file updated | 17 July 2022 07:44 CEST | Update | N/A |
| article html file updated | 10 February 2020 19:43 CET | Update | N/A |
| article html file updated | 10 October 2019 00:57 CEST | Update | N/A |
| article html file updated | 28 April 2019 12:04 CEST | Update | N/A |
| article html file updated | 14 April 2019 07:24 CEST | Update | N/A |
| article html file updated | 1 April 2019 16:52 CEST | Update | N/A |
| article html file updated | 25 December 2018 04:22 CET | Update | N/A |
| article html file updated | 5 November 2018 10:49 CET | Original file | N/A |
| article pdf uploaded. | 5 November 2018 10:48 CET | Version of Record | https://www.mdpi.com/2075-4663/6/4/140/pdf |
| article xml uploaded. | 5 November 2018 10:48 CET | Update | https://www.mdpi.com/2075-4663/6/4/140/xml |
| article xml file uploaded | 5 November 2018 10:48 CET | Original file | N/A |
