| article html file updated | 8 February 2020 16:00 CET | Update | https://www.mdpi.com/2076-3417/7/9/938 |
| article html file updated | 27 September 2019 02:30 CEST | Update | - |
| article html file updated | 3 May 2019 02:19 CEST | Update | - |
| article html file updated | 26 September 2017 12:42 CEST | Update | - |
| article html file updated | 12 September 2017 14:46 CEST | Original file | - |
| article xml uploaded. | 12 September 2017 14:45 CEST | Update | https://www.mdpi.com/2076-3417/7/9/938/xml |
| article xml uploaded. | 12 September 2017 14:45 CEST | Original file | - |
| article pdf uploaded. | 12 September 2017 14:45 CEST | Version of Record | https://www.mdpi.com/2076-3417/7/9/938/pdf |
