| article html file updated | 7 February 2020 01:14 CET | Update | https://www.mdpi.com/2076-3417/5/4/1284 |
| article html file updated | 6 May 2019 06:50 CEST | Update | - |
| article html file updated | 26 March 2019 14:57 CET | Original file | - |
| article pdf uploaded. | 20 November 2015 16:35 CET | Version of Record | https://www.mdpi.com/2076-3417/5/4/1284/pdf |
| article xml uploaded. | 20 November 2015 16:35 CET | Original file | https://www.mdpi.com/2076-3417/5/4/1284/xml |
