| article html file updated | 7 February 2020 09:31 CET | Update | https://www.mdpi.com/2072-6651/8/6/167 |
| article html file updated | 5 May 2019 14:11 CEST | Update | - |
| article html file updated | 27 March 2019 06:12 CET | Update | - |
| article html file updated | 29 June 2016 11:44 CEST | Update | - |
| article html file updated | 31 May 2016 09:20 CEST | Original file | - |
| article xml uploaded. | 31 May 2016 09:19 CEST | Original file | https://www.mdpi.com/2072-6651/8/6/167/xml |
| article pdf uploaded. | 31 May 2016 09:19 CEST | Version of Record | https://www.mdpi.com/2072-6651/8/6/167/pdf |
