| article html file updated | 8 February 2020 14:42 CET | Update | https://www.mdpi.com/2076-3417/7/9/881 |
| article html file updated | 26 September 2019 19:24 CEST | Update | - |
| article html file updated | 3 May 2019 04:44 CEST | Update | - |
| article html file updated | 26 September 2017 12:29 CEST | Update | - |
| article html file updated | 28 August 2017 15:15 CEST | Original file | - |
| article xml uploaded. | 28 August 2017 15:13 CEST | Update | https://www.mdpi.com/2076-3417/7/9/881/xml |
| article xml uploaded. | 28 August 2017 15:13 CEST | Original file | - |
| article pdf uploaded. | 28 August 2017 15:13 CEST | Version of Record | https://www.mdpi.com/2076-3417/7/9/881/pdf |
