| article html file updated | 8 February 2020 15:14 CET | Update | https://www.mdpi.com/2075-4701/7/9/342 |
| article html file updated | 26 September 2019 22:23 CEST | Update | - |
| article html file updated | 3 May 2019 03:44 CEST | Update | - |
| article html file updated | 30 September 2017 09:25 CEST | Update | - |
| article html file updated | 4 September 2017 11:51 CEST | Original file | - |
| article xml uploaded. | 4 September 2017 11:49 CEST | Update | https://www.mdpi.com/2075-4701/7/9/342/xml |
| article xml uploaded. | 4 September 2017 11:49 CEST | Original file | - |
| article pdf uploaded. | 4 September 2017 11:49 CEST | Version of Record | https://www.mdpi.com/2075-4701/7/9/342/pdf |
