| article html file updated | 8 February 2020 05:24 CET | Update | https://www.mdpi.com/2079-6412/7/5/69 |
| article html file updated | 24 September 2019 17:31 CEST | Update | - |
| article html file updated | 3 May 2019 22:54 CEST | Update | - |
| article html file updated | 31 May 2017 06:38 CEST | Update | - |
| article html file updated | 23 May 2017 03:55 CEST | Update | - |
| article html file updated | 9 May 2017 11:30 CEST | Original file | - |
| article xml uploaded. | 9 May 2017 11:29 CEST | Original file | https://www.mdpi.com/2079-6412/7/5/69/xml |
| article pdf uploaded. | 9 May 2017 11:29 CEST | Version of Record | https://www.mdpi.com/2079-6412/7/5/69/pdf |
