| article html file updated | 8 February 2020 14:56 CET | Update | https://www.mdpi.com/2076-2615/7/9/66 |
| article html file updated | 26 September 2019 20:43 CEST | Update | - |
| article html file updated | 3 May 2019 04:18 CEST | Update | - |
| article html file updated | 30 September 2017 10:14 CEST | Update | - |
| article html file updated | 31 August 2017 09:30 CEST | Original file | - |
| article xml uploaded. | 31 August 2017 09:29 CEST | Original file | https://www.mdpi.com/2076-2615/7/9/66/xml |
| article pdf uploaded. | 31 August 2017 09:29 CEST | Version of Record | https://www.mdpi.com/2076-2615/7/9/66/pdf |
