| article html file updated | 30 August 2025 03:40 CEST | Update | https://www.mdpi.com/2227-7080/6/2/43 |
| article html file updated | 16 July 2022 11:00 CEST | Update | N/A |
| article html file updated | 9 February 2020 15:16 CET | Update | N/A |
| article html file updated | 2 October 2019 23:25 CEST | Update | N/A |
| article html file updated | 1 May 2019 00:39 CEST | Update | N/A |
| article html file updated | 17 April 2019 01:18 CEST | Update | N/A |
| article html file updated | 29 March 2019 19:07 CET | Update | N/A |
| article html file updated | 26 June 2018 04:59 CEST | Update | N/A |
| article html file updated | 25 April 2018 10:28 CEST | Original file | N/A |
| article pdf uploaded. | 25 April 2018 10:26 CEST | Version of Record | https://www.mdpi.com/2227-7080/6/2/43/pdf |
| article xml uploaded. | 25 April 2018 10:26 CEST | Update | https://www.mdpi.com/2227-7080/6/2/43/xml |
| article xml file uploaded | 25 April 2018 10:26 CEST | Original file | N/A |
