| article html file updated | 8 February 2020 01:41 CET | Update | https://www.mdpi.com/2075-163X/7/3/41 |
| article html file updated | 23 September 2019 21:02 CEST | Update | - |
| article html file updated | 4 May 2019 06:14 CEST | Update | - |
| article html file updated | 29 March 2017 06:03 CEST | Update | - |
| article html file updated | 17 March 2017 11:54 CET | Original file | - |
| article xml uploaded. | 17 March 2017 11:53 CET | Original file | https://www.mdpi.com/2075-163X/7/3/41/xml |
| article pdf uploaded. | 17 March 2017 11:53 CET | Version of Record | https://www.mdpi.com/2075-163X/7/3/41/pdf |
