| article html file updated | 29 August 2025 22:59 CEST | Update | https://www.mdpi.com/2073-4360/8/4/154 |
| article html file updated | 16 July 2022 02:13 CEST | Update | - |
| article html file updated | 7 February 2020 07:33 CET | Update | - |
| article html file updated | 21 September 2019 15:36 CEST | Update | - |
| article html file updated | 5 May 2019 18:03 CEST | Update | - |
| article html file updated | 27 March 2019 02:28 CET | Update | - |
| article html file updated | 15 March 2019 12:09 CET | Update | - |
| article html file updated | 29 April 2016 10:02 CEST | Update | - |
| article html file updated | 20 April 2016 14:36 CEST | Original file | - |
| article xml uploaded. | 20 April 2016 14:35 CEST | Original file | https://www.mdpi.com/2073-4360/8/4/154/xml |
| article pdf uploaded. | 20 April 2016 14:35 CEST | Version of Record | https://www.mdpi.com/2073-4360/8/4/154/pdf |