| article html file updated | 7 February 2020 19:46 CET | Update | https://www.mdpi.com/2075-4701/6/12/319 |
| article html file updated | 22 September 2019 12:22 CEST | Update | N/A |
| article html file updated | 4 May 2019 18:52 CEST | Update | N/A |
| article html file updated | 28 December 2016 11:25 CET | Update | N/A |
| article html file updated | 16 December 2016 10:54 CET | Original file | N/A |
| article xml uploaded. | 16 December 2016 10:53 CET | Original file | https://www.mdpi.com/2075-4701/6/12/319/xml |
| article pdf uploaded. | 16 December 2016 10:53 CET | Version of Record | https://www.mdpi.com/2075-4701/6/12/319/pdf |
