| article html file updated | 8 February 2020 01:37 CET | Update | https://www.mdpi.com/2072-6643/9/3/293 |
| article html file updated | 23 September 2019 20:42 CEST | Update | - |
| article html file updated | 4 May 2019 06:23 CEST | Update | - |
| article html file updated | 28 March 2017 09:35 CEST | Update | - |
| article html file updated | 16 March 2017 14:33 CET | Original file | - |
| article xml uploaded. | 16 March 2017 14:31 CET | Original file | https://www.mdpi.com/2072-6643/9/3/293/xml |
| article pdf uploaded. | 16 March 2017 14:31 CET | Version of Record | https://www.mdpi.com/2072-6643/9/3/293/pdf |
