| article html file updated | 8 February 2020 00:10 CET | Update | https://www.mdpi.com/2073-431X/6/1/11 |
| article html file updated | 23 September 2019 12:20 CEST | Update | - |
| article html file updated | 4 May 2019 09:39 CEST | Update | - |
| article html file updated | 29 March 2017 10:31 CEST | Update | - |
| article html file updated | 24 February 2017 10:06 CET | Original file | - |
| article xml uploaded. | 24 February 2017 10:05 CET | Update | https://www.mdpi.com/2073-431X/6/1/11/xml |
| article xml uploaded. | 24 February 2017 10:05 CET | Original file | - |
| article pdf uploaded. | 24 February 2017 10:05 CET | Version of Record | https://www.mdpi.com/2073-431X/6/1/11/pdf |
