| article html file updated | 7 February 2020 04:13 CET | Update | https://www.mdpi.com/2076-2615/6/2/11 |
| article html file updated | 6 May 2019 01:04 CEST | Update | - |
| article html file updated | 26 March 2019 20:00 CET | Original file | - |
| article pdf uploaded. | 3 February 2016 10:32 CET | Version of Record | https://www.mdpi.com/2076-2615/6/2/11/pdf |
| article xml uploaded. | 3 February 2016 10:32 CET | Original file | https://www.mdpi.com/2076-2615/6/2/11/xml |
