| article html file updated | 7 February 2020 22:25 CET | Update | https://www.mdpi.com/2073-431X/6/1/5 |
| article html file updated | 23 September 2019 02:37 CEST | Update | - |
| article html file updated | 4 May 2019 13:12 CEST | Update | - |
| article html file updated | 29 March 2017 10:29 CEST | Update | - |
| article html file updated | 8 February 2017 11:22 CET | Original file | - |
| article xml uploaded. | 8 February 2017 11:00 CET | Update | https://www.mdpi.com/2073-431X/6/1/5/xml |
| article xml uploaded. | 8 February 2017 11:00 CET | Original file | - |
| article pdf uploaded. | 8 February 2017 11:00 CET | Updated version of record | https://www.mdpi.com/2073-431X/6/1/5/pdf |
| article pdf uploaded. | 28 January 2017 10:05 CET | Version of Record | https://www.mdpi.com/2073-431X/6/1/5/pdf-vor |
