| article html file updated | 5 February 2020 22:51 CET | Update | https://www.mdpi.com/2076-3425/2/4/619 |
| article html file updated | 8 May 2019 12:32 CEST | Update | - |
| article html file updated | 20 March 2019 14:41 CET | Update | - |
| article html file updated | 17 June 2015 03:49 CEST | Update | - |
| article html file updated | 20 May 2014 10:06 CEST | Update | - |
| article xml file uploaded | 20 May 2014 10:06 CEST | Update | https://www.mdpi.com/2076-3425/2/4/619/xml |
| article html file updated | 20 May 2014 08:33 CEST | Original file | - |
| article xml file uploaded | 20 May 2014 08:33 CEST | Original file | - |
