| article html file updated | 6 February 2020 19:11 CET | Update | https://www.mdpi.com/2072-4292/7/6/7080 |
| article html file updated | 6 May 2019 18:48 CEST | Update | N/A |
| article html file updated | 26 March 2019 03:47 CET | Update | N/A |
| article html file updated | 21 August 2015 12:50 CEST | Original file | N/A |
| article pdf uploaded. | 9 June 2015 15:36 CEST | Updated version of record | https://www.mdpi.com/2072-4292/7/6/7080/pdf |
| article pdf uploaded. | 29 May 2015 12:30 CEST | Version of Record | https://www.mdpi.com/2072-4292/7/6/7080/pdf-vor |
