| article html file updated | 8 February 2020 01:24 CET | Update | https://www.mdpi.com/2072-6643/9/3/276 |
| article html file updated | 23 September 2019 19:30 CEST | Update | - |
| article html file updated | 4 May 2019 06:51 CEST | Update | - |
| article html file updated | 28 March 2017 09:38 CEST | Update | - |
| article html file updated | 14 March 2017 10:05 CET | Original file | - |
| article xml uploaded. | 14 March 2017 10:04 CET | Original file | https://www.mdpi.com/2072-6643/9/3/276/xml |
| article pdf uploaded. | 14 March 2017 10:04 CET | Version of Record | https://www.mdpi.com/2072-6643/9/3/276/pdf |
