| article html file updated | 8 February 2020 06:34 CET | Update | https://www.mdpi.com/2073-4425/8/6/150 |
| article html file updated | 24 September 2019 23:35 CEST | Update | - |
| article html file updated | 3 May 2019 20:40 CEST | Update | - |
| article html file updated | 27 June 2017 10:36 CEST | Update | - |
| article html file updated | 24 May 2017 18:06 CEST | Original file | - |
| article xml uploaded. | 24 May 2017 18:05 CEST | Update | https://www.mdpi.com/2073-4425/8/6/150/xml |
| article pdf uploaded. | 24 May 2017 18:05 CEST | Version of Record | https://www.mdpi.com/2073-4425/8/6/150/pdf |
