| article html file updated | 7 February 2020 03:44 CET | Update | https://www.mdpi.com/2072-666X/7/1/15 |
| article html file updated | 21 September 2019 10:08 CEST | Update | N/A |
| article html file updated | 6 May 2019 01:59 CEST | Update | N/A |
| article html file updated | 26 March 2019 19:03 CET | Update | N/A |
| article html file updated | 15 October 2018 04:19 CEST | Original file | N/A |
| article pdf uploaded. | 22 January 2016 14:43 CET | Updated version of record | https://www.mdpi.com/2072-666X/7/1/15/pdf |
| article pdf uploaded. | 21 January 2016 11:30 CET | Version of Record | https://www.mdpi.com/2072-666X/7/1/15/pdf-vor |
| article xml uploaded. | 21 January 2016 11:30 CET | Original file | https://www.mdpi.com/2072-666X/7/1/15/xml |
