| article html file updated | 8 February 2020 07:21 CET | Update | https://www.mdpi.com/2072-6643/9/6/564 |
| article html file updated | 25 September 2019 03:36 CEST | Update | N/A |
| article html file updated | 3 May 2019 19:12 CEST | Update | N/A |
| article html file updated | 29 June 2017 11:42 CEST | Update | N/A |
| article html file updated | 2 June 2017 16:04 CEST | Original file | N/A |
| article xml uploaded. | 2 June 2017 16:03 CEST | Original file | https://www.mdpi.com/2072-6643/9/6/564/xml |
| article pdf uploaded. | 2 June 2017 16:03 CEST | Version of Record | https://www.mdpi.com/2072-6643/9/6/564/pdf |
