| article html file updated | 8 February 2020 06:48 CET | Update | https://www.mdpi.com/2076-2615/7/6/41 |
| article html file updated | 25 September 2019 00:51 CEST | Update | - |
| article html file updated | 3 May 2019 20:14 CEST | Update | - |
| article html file updated | 27 June 2017 09:24 CEST | Update | - |
| article html file updated | 26 May 2017 13:39 CEST | Original file | - |
| article xml uploaded. | 26 May 2017 13:38 CEST | Original file | https://www.mdpi.com/2076-2615/7/6/41/xml |
| article pdf uploaded. | 26 May 2017 13:38 CEST | Version of Record | https://www.mdpi.com/2076-2615/7/6/41/pdf |
