| article html file updated | 7 February 2020 04:25 CET | Update | https://www.mdpi.com/2072-6651/8/2/41 |
| article html file updated | 6 May 2019 00:40 CEST | Update | - |
| article html file updated | 26 March 2019 20:26 CET | Original file | - |
| article pdf uploaded. | 6 February 2016 10:22 CET | Version of Record | https://www.mdpi.com/2072-6651/8/2/41/pdf |
| article xml uploaded. | 6 February 2016 10:22 CET | Original file | https://www.mdpi.com/2072-6651/8/2/41/xml |
