| article html file updated | 29 August 2025 23:00 CEST | Update | https://www.mdpi.com/2304-6775/4/2/12 |
| article html file updated | 20 August 2025 22:19 CEST | Update | - |
| article html file updated | 7 February 2020 07:39 CET | Update | - |
| article html file updated | 21 September 2019 15:44 CEST | Update | - |
| article html file updated | 5 May 2019 17:51 CEST | Update | - |
| article html file updated | 27 March 2019 02:41 CET | Update | - |
| article html file updated | 4 July 2016 10:26 CEST | Update | - |
| article html file updated | 22 April 2016 11:10 CEST | Original file | - |
| article xml uploaded. | 22 April 2016 11:09 CEST | Original file | https://www.mdpi.com/2304-6775/4/2/12/xml |
| article pdf uploaded. | 22 April 2016 11:09 CEST | Version of Record | https://www.mdpi.com/2304-6775/4/2/12/pdf |
