| article html file updated | 27 August 2018 08:50 CEST | Update | https://www.mdpi.com/2076-2607/4/1/16 |
| article html file updated | 20 September 2016 11:48 CEST | Update | - |
| article html file updated | 12 July 2016 04:26 CEST | Original file | - |
| article pdf uploaded. | 8 March 2016 11:13 CET | Version of Record | https://www.mdpi.com/2076-2607/4/1/16/pdf |
| article xml uploaded. | 8 March 2016 11:13 CET | Original file | https://www.mdpi.com/2076-2607/4/1/16/xml |
