| article html file updated | 30 August 2025 03:37 CEST | Update | https://www.mdpi.com/2226-4310/5/2/46 |
| article html file updated | 21 August 2025 20:01 CEST | Update | N/A |
| article html file updated | 9 February 2020 14:54 CET | Update | N/A |
| article html file updated | 2 October 2019 21:10 CEST | Update | N/A |
| article html file updated | 1 May 2019 01:23 CEST | Update | N/A |
| article html file updated | 17 April 2019 01:59 CEST | Update | N/A |
| article html file updated | 29 March 2019 18:12 CET | Update | N/A |
| article html file updated | 27 June 2018 19:33 CEST | Update | N/A |
| article html file updated | 23 April 2018 10:46 CEST | Original file | N/A |
| article pdf uploaded. | 23 April 2018 10:44 CEST | Version of Record | https://www.mdpi.com/2226-4310/5/2/46/pdf |
| article xml uploaded. | 23 April 2018 10:44 CEST | Update | https://www.mdpi.com/2226-4310/5/2/46/xml |
| article xml file uploaded | 23 April 2018 10:44 CEST | Original file | N/A |