| article html file updated | 28 September 2025 19:04 CEST | Update | https://www.mdpi.com/1660-3397/9/10/1731 |
| article html file updated | 29 August 2025 20:19 CEST | Update | - |
| article html file updated | 15 July 2022 21:44 CEST | Update | - |
| article html file updated | 5 February 2020 18:17 CET | Update | - |
| article html file updated | 19 September 2019 06:15 CEST | Update | - |
| article html file updated | 8 May 2019 22:47 CEST | Update | - |
| article html file updated | 20 March 2019 10:01 CET | Update | - |
| article html file updated | 16 June 2015 18:57 CEST | Update | - |
| article html file updated | 14 August 2014 12:04 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:04 CEST | Original file | https://www.mdpi.com/1660-3397/9/10/1731/xml |
| article html file updated | 6 February 2013 22:54 CET | Update | - |
| article html file updated | 6 February 2013 02:40 CET | Update | - |
| article html file updated | 29 January 2013 00:00 CET | Update | - |
| article html file updated | 26 January 2013 05:24 CET | Update | - |
| article html file updated | 22 January 2013 23:19 CET | Original file | - |