| article html file updated | 7 February 2020 11:31 CET | Update | https://www.mdpi.com/2076-3417/6/7/201 |
| article html file updated | 5 May 2019 10:28 CEST | Update | - |
| article html file updated | 27 March 2019 09:57 CET | Update | - |
| article html file updated | 27 July 2016 09:17 CEST | Update | - |
| article html file updated | 12 July 2016 07:53 CEST | Original file | - |
| article xml uploaded. | 12 July 2016 07:52 CEST | Update | https://www.mdpi.com/2076-3417/6/7/201/xml |
| article pdf uploaded. | 12 July 2016 07:52 CEST | Version of Record | https://www.mdpi.com/2076-3417/6/7/201/pdf |
