| article html file updated | 8 February 2020 06:59 CET | Update | https://www.mdpi.com/2073-4425/8/6/152 |
| article html file updated | 25 September 2019 01:49 CEST | Update | - |
| article html file updated | 3 May 2019 19:53 CEST | Update | - |
| article html file updated | 27 June 2017 10:36 CEST | Update | - |
| article html file updated | 30 May 2017 11:26 CEST | Original file | - |
| article xml uploaded. | 30 May 2017 11:25 CEST | Original file | https://www.mdpi.com/2073-4425/8/6/152/xml |
| article pdf uploaded. | 30 May 2017 11:25 CEST | Version of Record | https://www.mdpi.com/2073-4425/8/6/152/pdf |
