| article html file updated | 8 February 2020 02:57 CET | Update | https://www.mdpi.com/2075-163X/7/4/54 |
| article html file updated | 24 September 2019 04:16 CEST | Update | - |
| article html file updated | 4 May 2019 03:29 CEST | Update | - |
| article html file updated | 28 April 2017 10:02 CEST | Update | - |
| article html file updated | 12 April 2017 10:47 CEST | Update | - |
| article xml uploaded. | 12 April 2017 10:45 CEST | Update | https://www.mdpi.com/2075-163X/7/4/54/xml |
| article pdf uploaded. | 12 April 2017 10:45 CEST | Updated version of record | https://www.mdpi.com/2075-163X/7/4/54/pdf |
| article html file updated | 6 April 2017 11:00 CEST | Original file | - |
| article pdf uploaded. | 6 April 2017 10:59 CEST | Updated version of record | https://www.mdpi.com/2075-163X/7/4/54/pdf-vor |
| article pdf uploaded. | 5 April 2017 12:26 CEST | Version of Record | https://www.mdpi.com/2075-163X/7/4/54/pdf-vor |
