| article html file updated | 8 February 2020 01:23 CET | Update | https://www.mdpi.com/2072-6651/9/3/104 |
| article html file updated | 23 September 2019 19:25 CEST | Update | - |
| article html file updated | 4 May 2019 06:53 CEST | Update | - |
| article html file updated | 30 March 2017 06:14 CEST | Update | - |
| article html file updated | 14 March 2017 06:19 CET | Original file | - |
| article xml uploaded. | 14 March 2017 06:18 CET | Original file | https://www.mdpi.com/2072-6651/9/3/104/xml |
| article pdf uploaded. | 14 March 2017 06:18 CET | Version of Record | https://www.mdpi.com/2072-6651/9/3/104/pdf |
