| article html file updated | 29 August 2025 20:31 CEST | Update | https://www.mdpi.com/2073-4409/1/4/1261 |
| article html file updated | 15 July 2022 22:04 CEST | Update | - |
| article html file updated | 5 February 2020 23:23 CET | Update | - |
| article html file updated | 8 May 2019 11:10 CEST | Update | - |
| article html file updated | 20 March 2019 15:51 CET | Update | - |
| article html file updated | 17 June 2015 04:47 CEST | Update | - |
| article html file updated | 30 August 2013 09:10 CEST | Update | - |
| article xml file uploaded | 30 August 2013 09:10 CEST | Original file | https://www.mdpi.com/2073-4409/1/4/1261/xml |
| article html file updated | 7 February 2013 17:23 CET | Update | - |
| article html file updated | 24 January 2013 11:00 CET | Original file | - |
