| article html file updated | 29 August 2025 23:11 CEST | Update | https://www.mdpi.com/2073-4360/8/6/214 |
| article html file updated | 20 August 2025 22:21 CEST | Update | - |
| article html file updated | 16 July 2022 02:33 CEST | Update | - |
| article html file updated | 7 February 2020 09:39 CET | Update | - |
| article html file updated | 21 September 2019 18:21 CEST | Update | - |
| article html file updated | 5 May 2019 13:55 CEST | Update | - |
| article html file updated | 27 March 2019 06:28 CET | Update | - |
| article html file updated | 18 March 2019 04:53 CET | Update | - |
| article html file updated | 29 June 2016 11:25 CEST | Update | - |
| article html file updated | 2 June 2016 14:21 CEST | Original file | - |
| article xml uploaded. | 2 June 2016 14:20 CEST | Original file | https://www.mdpi.com/2073-4360/8/6/214/xml |
| article pdf uploaded. | 2 June 2016 14:20 CEST | Version of Record | https://www.mdpi.com/2073-4360/8/6/214/pdf |