| article html file updated | 8 February 2020 01:39 CET | Update | https://www.mdpi.com/2072-6643/9/3/294 |
| article html file updated | 23 September 2019 20:51 CEST | Update | - |
| article html file updated | 4 May 2019 06:19 CEST | Update | - |
| article html file updated | 28 March 2017 09:35 CEST | Update | - |
| article html file updated | 17 March 2017 08:08 CET | Original file | - |
| article xml uploaded. | 17 March 2017 08:07 CET | Original file | https://www.mdpi.com/2072-6643/9/3/294/xml |
| article pdf uploaded. | 17 March 2017 08:07 CET | Version of Record | https://www.mdpi.com/2072-6643/9/3/294/pdf |
