| article html file updated | 8 February 2020 01:17 CET | Update | https://www.mdpi.com/2072-6643/9/3/269 |
| article html file updated | 23 September 2019 18:50 CEST | Update | - |
| article html file updated | 4 May 2019 07:06 CEST | Update | - |
| article html file updated | 28 March 2017 09:39 CEST | Update | - |
| article html file updated | 11 March 2017 11:41 CET | Original file | - |
| article xml uploaded. | 11 March 2017 11:40 CET | Original file | https://www.mdpi.com/2072-6643/9/3/269/xml |
| article pdf uploaded. | 11 March 2017 11:40 CET | Version of Record | https://www.mdpi.com/2072-6643/9/3/269/pdf |
