| article html file updated | 5 February 2020 10:45 CET | Update | https://www.mdpi.com/1424-8220/2/10/397 |
| article html file updated | 9 May 2019 14:31 CEST | Update | - |
| article html file updated | 19 March 2019 15:23 CET | Update | - |
| article html file updated | 26 July 2017 08:11 CEST | Original file | - |
| article xml uploaded. | 26 July 2017 08:09 CEST | Update | https://www.mdpi.com/1424-8220/2/10/397/xml |
