| article html file updated | 29 August 2025 23:20 CEST | Update | https://www.mdpi.com/2077-1312/4/3/42 |
| article html file updated | 20 August 2025 22:22 CEST | Update | - |
| article html file updated | 16 July 2022 02:48 CEST | Update | - |
| article html file updated | 7 February 2020 11:25 CET | Update | - |
| article html file updated | 5 May 2019 10:39 CEST | Update | - |
| article html file updated | 27 March 2019 09:46 CET | Update | - |
| article html file updated | 27 October 2017 11:01 CEST | Update | - |
| article html file updated | 12 July 2016 02:42 CEST | Update | - |
| article xml uploaded. | 12 July 2016 02:41 CEST | Update | https://www.mdpi.com/2077-1312/4/3/42/xml |
| article pdf uploaded. | 12 July 2016 02:41 CEST | Updated version of record | https://www.mdpi.com/2077-1312/4/3/42/pdf |
| article html file updated | 8 July 2016 14:41 CEST | Original file | - |
| article pdf uploaded. | 8 July 2016 14:39 CEST | Version of Record | https://www.mdpi.com/2077-1312/4/3/42/pdf-vor |