| article html file updated | 24 December 2025 14:23 CET | Update | https://www.mdpi.com/2227-7102/8/2/59 |
| article html file updated | 30 August 2025 03:37 CEST | Update | N/A |
| article html file updated | 21 August 2025 20:01 CEST | Update | N/A |
| article html file updated | 16 July 2022 10:57 CEST | Update | N/A |
| article html file updated | 9 February 2020 14:57 CET | Update | N/A |
| article html file updated | 2 October 2019 21:26 CEST | Update | N/A |
| article html file updated | 1 May 2019 01:17 CEST | Update | N/A |
| article html file updated | 17 April 2019 01:53 CEST | Update | N/A |
| article html file updated | 29 March 2019 18:18 CET | Update | N/A |
| article html file updated | 27 June 2018 09:15 CEST | Update | N/A |
| article html file updated | 23 April 2018 13:18 CEST | Original file | N/A |
| article pdf uploaded. | 23 April 2018 13:17 CEST | Version of Record | https://www.mdpi.com/2227-7102/8/2/59/pdf |
| article xml uploaded. | 23 April 2018 13:17 CEST | Update | https://www.mdpi.com/2227-7102/8/2/59/xml |
| article xml file uploaded | 23 April 2018 13:17 CEST | Original file | N/A |