| article html file updated | 8 February 2020 00:54 CET | Update | https://www.mdpi.com/2073-4441/9/3/192 |
| article html file updated | 23 September 2019 16:39 CEST | Update | - |
| article html file updated | 4 May 2019 07:56 CEST | Update | - |
| article html file updated | 28 March 2017 03:45 CEST | Update | - |
| article html file updated | 7 March 2017 09:24 CET | Original file | - |
| article xml uploaded. | 7 March 2017 09:23 CET | Original file | https://www.mdpi.com/2073-4441/9/3/192/xml |
| article pdf uploaded. | 7 March 2017 09:23 CET | Version of Record | https://www.mdpi.com/2073-4441/9/3/192/pdf |
