| article html file updated | 8 February 2020 01:02 CET | Update | https://www.mdpi.com/2072-6651/9/3/93 |
| article html file updated | 23 September 2019 17:24 CEST | Update | - |
| article html file updated | 4 May 2019 07:39 CEST | Update | - |
| article html file updated | 30 March 2017 06:11 CEST | Update | - |
| article html file updated | 8 March 2017 11:30 CET | Original file | - |
| article xml uploaded. | 8 March 2017 11:29 CET | Original file | https://www.mdpi.com/2072-6651/9/3/93/xml |
| article pdf uploaded. | 8 March 2017 11:29 CET | Version of Record | https://www.mdpi.com/2072-6651/9/3/93/pdf |
