| article html file updated | 8 February 2020 11:01 CET | Update | https://www.mdpi.com/2075-4450/8/3/69 |
| article html file updated | 25 September 2019 22:50 CEST | Update | - |
| article html file updated | 3 May 2019 12:21 CEST | Update | - |
| article html file updated | 6 October 2017 05:05 CEST | Update | - |
| article html file updated | 14 July 2017 13:22 CEST | Update | - |
| article html file updated | 14 July 2017 13:21 CEST | Update | - |
| article html file updated | 14 July 2017 13:20 CEST | Original file | - |
| article xml uploaded. | 14 July 2017 13:19 CEST | Original file | https://www.mdpi.com/2075-4450/8/3/69/xml |
| article pdf uploaded. | 14 July 2017 13:19 CEST | Version of Record | https://www.mdpi.com/2075-4450/8/3/69/pdf |
