| article html file updated | 8 February 2020 01:34 CET | Update | https://www.mdpi.com/2072-6651/9/3/108 |
| article html file updated | 23 September 2019 20:26 CEST | Update | - |
| article html file updated | 4 May 2019 06:29 CEST | Update | - |
| article html file updated | 30 March 2017 06:15 CEST | Update | - |
| article html file updated | 16 March 2017 11:51 CET | Original file | - |
| article xml uploaded. | 16 March 2017 11:50 CET | Original file | https://www.mdpi.com/2072-6651/9/3/108/xml |
| article pdf uploaded. | 16 March 2017 11:50 CET | Version of Record | https://www.mdpi.com/2072-6651/9/3/108/pdf |
