| article html file updated | 8 February 2020 00:22 CET | Update | https://www.mdpi.com/2073-4441/9/3/170 |
| article html file updated | 23 September 2019 13:27 CEST | Update | - |
| article html file updated | 4 May 2019 09:12 CEST | Update | - |
| article html file updated | 28 March 2017 03:34 CEST | Update | - |
| article html file updated | 27 February 2017 12:08 CET | Original file | - |
| article xml uploaded. | 27 February 2017 12:07 CET | Original file | https://www.mdpi.com/2073-4441/9/3/170/xml |
| article pdf uploaded. | 27 February 2017 12:07 CET | Version of Record | https://www.mdpi.com/2073-4441/9/3/170/pdf |
