| article html file updated | 8 February 2020 04:37 CET | Update | https://www.mdpi.com/2073-4441/9/5/304 |
| article html file updated | 24 September 2019 13:28 CEST | Update | - |
| article html file updated | 4 May 2019 00:19 CEST | Update | - |
| article html file updated | 1 June 2017 04:55 CEST | Update | - |
| article html file updated | 28 April 2017 12:52 CEST | Original file | - |
| article xml uploaded. | 28 April 2017 12:50 CEST | Original file | https://www.mdpi.com/2073-4441/9/5/304/xml |
| article pdf uploaded. | 28 April 2017 12:50 CEST | Version of Record | https://www.mdpi.com/2073-4441/9/5/304/pdf |
