| article html file updated | 8 February 2020 15:19 CET | Update | https://www.mdpi.com/2220-9964/6/9/279 |
| article html file updated | 3 May 2019 03:35 CEST | Update | - |
| article html file updated | 26 September 2017 12:50 CEST | Update | - |
| article html file updated | 5 September 2017 22:45 CEST | Original file | - |
| article xml uploaded. | 5 September 2017 07:51 CEST | Original file | https://www.mdpi.com/2220-9964/6/9/279/xml |
| article pdf uploaded. | 5 September 2017 07:51 CEST | Version of Record | https://www.mdpi.com/2220-9964/6/9/279/pdf |
