| article html file updated | 8 February 2020 00:35 CET | Update | https://www.mdpi.com/2072-6643/9/3/222 |
| article html file updated | 23 September 2019 14:41 CEST | Update | - |
| article html file updated | 4 May 2019 08:41 CEST | Update | - |
| article html file updated | 28 March 2017 09:45 CEST | Update | - |
| article html file updated | 2 March 2017 05:24 CET | Original file | - |
| article xml uploaded. | 2 March 2017 05:23 CET | Original file | https://www.mdpi.com/2072-6643/9/3/222/xml |
| article pdf uploaded. | 2 March 2017 05:23 CET | Version of Record | https://www.mdpi.com/2072-6643/9/3/222/pdf |
