| article html file updated | 7 February 2020 18:50 CET | Update | https://www.mdpi.com/2075-4701/6/12/301 |
| article html file updated | 22 September 2019 07:54 CEST | Update | - |
| article html file updated | 4 May 2019 20:51 CEST | Update | - |
| article html file updated | 28 December 2016 11:18 CET | Update | - |
| article html file updated | 30 November 2016 12:09 CET | Original file | - |
| article xml uploaded. | 30 November 2016 12:08 CET | Update | https://www.mdpi.com/2075-4701/6/12/301/xml |
| article xml uploaded. | 30 November 2016 12:08 CET | Update | - |
| article xml uploaded. | 30 November 2016 12:08 CET | Original file | - |
| article pdf uploaded. | 30 November 2016 12:08 CET | Version of Record | https://www.mdpi.com/2075-4701/6/12/301/pdf |
