| article html file updated | 8 February 2020 12:03 CET | Update | https://www.mdpi.com/2073-4360/9/8/306 |
| article html file updated | 26 September 2019 04:24 CEST | Update | - |
| article html file updated | 3 May 2019 10:02 CEST | Update | - |
| article html file updated | 27 March 2019 17:47 CET | Update | - |
| article html file updated | 1 September 2017 07:22 CEST | Update | - |
| article html file updated | 26 July 2017 12:34 CEST | Original file | - |
| article xml uploaded. | 26 July 2017 12:32 CEST | Original file | https://www.mdpi.com/2073-4360/9/8/306/xml |
| article pdf uploaded. | 26 July 2017 12:32 CEST | Version of Record | https://www.mdpi.com/2073-4360/9/8/306/pdf |
