| article html file updated | 7 February 2020 14:54 CET | Update | https://www.mdpi.com/2076-3417/6/9/260 |
| article html file updated | 5 May 2019 04:14 CEST | Update | - |
| article html file updated | 27 September 2016 08:13 CEST | Update | - |
| article html file updated | 13 September 2016 12:48 CEST | Original file | - |
| article xml uploaded. | 13 September 2016 12:47 CEST | Update | https://www.mdpi.com/2076-3417/6/9/260/xml |
| article xml uploaded. | 13 September 2016 12:47 CEST | Original file | - |
| article pdf uploaded. | 13 September 2016 12:47 CEST | Version of Record | https://www.mdpi.com/2076-3417/6/9/260/pdf |
