| article html file updated | 5 February 2020 09:08 CET | Update | https://www.mdpi.com/1660-3397/5/2/23 |
| article html file updated | 9 May 2019 17:55 CEST | Update | - |
| article html file updated | 25 March 2019 04:39 CET | Update | - |
| article html file updated | 19 March 2019 11:24 CET | Update | - |
| article html file updated | 11 November 2015 10:26 CET | Update | - |
| article xml file uploaded | 11 November 2015 10:26 CET | Update | https://www.mdpi.com/1660-3397/5/2/23/xml |
| article html file updated | 14 August 2014 12:06 CEST | Original file | - |
| article xml file uploaded | 14 August 2014 12:06 CEST | Original file | - |
