| article html file updated | 8 February 2020 01:45 CET | Update | https://www.mdpi.com/2072-6643/9/3/300 |
| article html file updated | 23 September 2019 21:24 CEST | Update | - |
| article html file updated | 4 May 2019 06:05 CEST | Update | - |
| article html file updated | 28 March 2017 09:34 CEST | Update | - |
| article html file updated | 18 March 2017 11:53 CET | Original file | - |
| article xml uploaded. | 18 March 2017 11:51 CET | Update | https://www.mdpi.com/2072-6643/9/3/300/xml |
| article pdf uploaded. | 18 March 2017 11:51 CET | Version of Record | https://www.mdpi.com/2072-6643/9/3/300/pdf |
