| article html file updated | 8 February 2020 15:42 CET | Update | https://www.mdpi.com/2079-6412/7/9/142 |
| article html file updated | 27 September 2019 00:50 CEST | Update | - |
| article html file updated | 3 May 2019 02:52 CEST | Update | - |
| article html file updated | 26 September 2017 06:27 CEST | Update | - |
| article html file updated | 8 September 2017 14:52 CEST | Original file | - |
| article xml uploaded. | 8 September 2017 14:50 CEST | Original file | https://www.mdpi.com/2079-6412/7/9/142/xml |
| article pdf uploaded. | 8 September 2017 14:50 CEST | Version of Record | https://www.mdpi.com/2079-6412/7/9/142/pdf |
