| article html file updated | 7 February 2020 09:59 CET | Update | https://www.mdpi.com/2073-4441/8/6/247 |
| article html file updated | 5 May 2019 13:18 CEST | Update | - |
| article html file updated | 27 March 2019 07:09 CET | Update | - |
| article html file updated | 29 June 2016 12:20 CEST | Update | - |
| article html file updated | 9 June 2016 11:57 CEST | Update | - |
| article xml uploaded. | 9 June 2016 11:56 CEST | Update | https://www.mdpi.com/2073-4441/8/6/247/xml |
| article pdf uploaded. | 9 June 2016 11:52 CEST | Updated version of record | https://www.mdpi.com/2073-4441/8/6/247/pdf |
| article html file updated | 9 June 2016 10:49 CEST | Original file | - |
