| article html file updated | 7 February 2020 05:31 CET | Update | https://www.mdpi.com/2072-6643/8/3/147 |
| article html file updated | 5 May 2019 22:17 CEST | Update | - |
| article html file updated | 26 March 2019 22:42 CET | Update | - |
| article html file updated | 28 March 2016 11:19 CEST | Original file | - |
| article pdf uploaded. | 5 March 2016 11:51 CET | Version of Record | https://www.mdpi.com/2072-6643/8/3/147/pdf |
