| article html file updated | 8 February 2020 04:36 CET | Update | https://www.mdpi.com/2073-4441/9/5/311 |
| article html file updated | 24 September 2019 13:25 CEST | Update | - |
| article html file updated | 4 May 2019 00:21 CEST | Update | - |
| article html file updated | 1 June 2017 04:56 CEST | Update | - |
| article html file updated | 28 April 2017 12:35 CEST | Original file | - |
| article xml uploaded. | 28 April 2017 12:33 CEST | Original file | https://www.mdpi.com/2073-4441/9/5/311/xml |
| article pdf uploaded. | 28 April 2017 12:33 CEST | Version of Record | https://www.mdpi.com/2073-4441/9/5/311/pdf |
