| article html file updated | 29 August 2025 21:40 CEST | Update | https://www.mdpi.com/2076-0825/4/2/60 |
| article html file updated | 16 July 2022 00:07 CEST | Update | - |
| article html file updated | 6 February 2020 17:51 CET | Update | - |
| article html file updated | 6 May 2019 21:35 CEST | Update | - |
| article html file updated | 26 March 2019 00:59 CET | Update | - |
| article html file updated | 29 September 2016 22:50 CEST | Update | - |
| article xml uploaded. | 29 September 2016 16:42 CEST | Update | https://www.mdpi.com/2076-0825/4/2/60/xml |
| article xml uploaded. | 29 September 2016 16:42 CEST | Update | - |
| article xml uploaded. | 29 September 2016 16:42 CEST | Original file | - |
| article pdf uploaded. | 29 September 2016 16:42 CEST | Updated version of record | https://www.mdpi.com/2076-0825/4/2/60/pdf |
| Addendum published | 23 September 2016 00:00 CEST | Addendum | http://www.mdpi.com/2076-0825/5/4/24 |
| article html file updated | 21 August 2015 10:50 CEST | Original file | - |
| article pdf uploaded. | 21 April 2015 10:39 CEST | Version of Record | https://www.mdpi.com/2076-0825/4/2/60/pdf-vor |
