| article html file updated | 7 February 2020 11:37 CET | Update | https://www.mdpi.com/2076-2615/6/7/41 |
| article html file updated | 5 May 2019 10:18 CEST | Update | - |
| article html file updated | 27 March 2019 10:07 CET | Update | - |
| article html file updated | 27 July 2016 09:20 CEST | Update | - |
| article html file updated | 13 July 2016 15:03 CEST | Original file | - |
| article xml uploaded. | 13 July 2016 15:01 CEST | Original file | https://www.mdpi.com/2076-2615/6/7/41/xml |
| article pdf uploaded. | 13 July 2016 15:01 CEST | Version of Record | https://www.mdpi.com/2076-2615/6/7/41/pdf |
