| article html file updated | 8 February 2020 08:49 CET | Update | https://www.mdpi.com/2075-163X/7/6/106 |
| article html file updated | 25 September 2019 11:11 CEST | Update | - |
| article html file updated | 3 May 2019 16:27 CEST | Update | - |
| article html file updated | 28 June 2017 14:15 CEST | Update | - |
| article html file updated | 21 June 2017 09:14 CEST | Original file | - |
| article xml uploaded. | 21 June 2017 09:13 CEST | Original file | https://www.mdpi.com/2075-163X/7/6/106/xml |
| article pdf uploaded. | 21 June 2017 09:13 CEST | Updated version of record | https://www.mdpi.com/2075-163X/7/6/106/pdf |
| article pdf uploaded. | 20 June 2017 15:54 CEST | Version of Record | https://www.mdpi.com/2075-163X/7/6/106/pdf-vor |
