| article html file updated | 29 August 2025 20:13 CEST | Update | https://www.mdpi.com/1660-3397/8/7/1988 |
| article html file updated | 15 July 2022 21:34 CEST | Update | - |
| article html file updated | 5 February 2020 14:53 CET | Update | - |
| article html file updated | 18 September 2019 23:51 CEST | Update | - |
| article html file updated | 9 May 2019 05:36 CEST | Update | - |
| article html file updated | 20 March 2019 01:23 CET | Update | - |
| article html file updated | 16 June 2015 10:31 CEST | Update | - |
| article html file updated | 14 August 2014 12:06 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:06 CEST | Original file | https://www.mdpi.com/1660-3397/8/7/1988/xml |
| article html file updated | 6 February 2013 17:58 CET | Update | - |
| article html file updated | 5 February 2013 22:05 CET | Update | - |
| article html file updated | 28 January 2013 19:36 CET | Update | - |
| article html file updated | 25 January 2013 22:47 CET | Update | - |
| article html file updated | 22 January 2013 01:38 CET | Update | - |
| article html file updated | 18 January 2013 07:46 CET | Original file | - |
