| article html file updated | 7 February 2020 19:06 CET | Update | https://www.mdpi.com/2075-4701/6/12/307 |
| article html file updated | 22 September 2019 08:53 CEST | Update | N/A |
| article html file updated | 4 May 2019 20:19 CEST | Update | N/A |
| article html file updated | 28 December 2016 11:21 CET | Update | N/A |
| article html file updated | 5 December 2016 12:03 CET | Original file | N/A |
| article xml uploaded. | 5 December 2016 12:01 CET | Update | https://www.mdpi.com/2075-4701/6/12/307/xml |
| article xml uploaded. | 5 December 2016 12:01 CET | Original file | N/A |
| article pdf uploaded. | 5 December 2016 12:01 CET | Version of Record | https://www.mdpi.com/2075-4701/6/12/307/pdf |
