| article html file updated | 7 February 2020 22:05 CET | Update | https://www.mdpi.com/2072-666X/8/2/33 |
| article html file updated | 23 September 2019 00:46 CEST | Update | - |
| article html file updated | 4 May 2019 13:52 CEST | Update | - |
| article html file updated | 15 October 2018 05:19 CEST | Update | - |
| article html file updated | 1 March 2017 07:51 CET | Update | - |
| article html file updated | 24 January 2017 06:16 CET | Original file | - |
| article xml uploaded. | 24 January 2017 06:14 CET | Update | https://www.mdpi.com/2072-666X/8/2/33/xml |
| article xml uploaded. | 24 January 2017 06:14 CET | Original file | - |
| article pdf uploaded. | 24 January 2017 06:14 CET | Version of Record | https://www.mdpi.com/2072-666X/8/2/33/pdf |
