| article html file updated | 24 December 2025 14:24 CET | Update | https://www.mdpi.com/2227-9091/6/2/48 |
| article html file updated | 30 August 2025 03:43 CEST | Update | - |
| article html file updated | 21 August 2025 20:04 CEST | Update | - |
| article html file updated | 16 July 2022 20:03 CEST | Update | - |
| article html file updated | 9 February 2020 15:46 CET | Update | - |
| article html file updated | 3 October 2019 02:21 CEST | Update | - |
| article html file updated | 30 April 2019 23:43 CEST | Update | - |
| article html file updated | 17 April 2019 00:21 CEST | Update | - |
| article html file updated | 29 March 2019 20:17 CET | Update | - |
| article html file updated | 27 June 2018 09:59 CEST | Update | - |
| article html file updated | 28 April 2018 12:11 CEST | Original file | - |
| article pdf uploaded. | 28 April 2018 12:10 CEST | Version of Record | https://www.mdpi.com/2227-9091/6/2/48/pdf |
| article xml uploaded. | 28 April 2018 12:10 CEST | Update | https://www.mdpi.com/2227-9091/6/2/48/xml |
| article xml file uploaded | 28 April 2018 12:10 CEST | Original file | - |
