| article html file updated | 8 February 2020 08:50 CET | Update | https://www.mdpi.com/2072-666X/8/6/195 |
| article html file updated | 25 September 2019 11:19 CEST | Update | - |
| article html file updated | 3 May 2019 16:24 CEST | Update | - |
| article html file updated | 27 June 2017 11:40 CEST | Update | - |
| article html file updated | 22 June 2017 04:50 CEST | Original file | - |
| article xml uploaded. | 22 June 2017 04:49 CEST | Original file | https://www.mdpi.com/2072-666X/8/6/195/xml |
| article pdf uploaded. | 22 June 2017 04:49 CEST | Updated version of record | https://www.mdpi.com/2072-666X/8/6/195/pdf |
