| article html file updated | 8 February 2020 02:52 CET | Update | https://www.mdpi.com/2073-4433/8/4/70 |
| article html file updated | 24 September 2019 03:49 CEST | Update | - |
| article html file updated | 4 May 2019 03:40 CEST | Update | - |
| article html file updated | 28 April 2017 05:30 CEST | Update | - |
| article html file updated | 19 April 2017 11:59 CEST | Update | - |
| article xml uploaded. | 19 April 2017 11:58 CEST | Update | https://www.mdpi.com/2073-4433/8/4/70/xml |
| article pdf uploaded. | 19 April 2017 11:58 CEST | Updated version of record | https://www.mdpi.com/2073-4433/8/4/70/pdf |
| article html file updated | 6 April 2017 09:49 CEST | Original file | - |
| article pdf uploaded. | 6 April 2017 09:48 CEST | Updated version of record | https://www.mdpi.com/2073-4433/8/4/70/pdf-vor |
| article pdf uploaded. | 4 April 2017 14:53 CEST | Version of Record | https://www.mdpi.com/2073-4433/8/4/70/pdf-vor |
