| article html file updated | 8 February 2020 07:11 CET | Update | https://www.mdpi.com/2072-6643/9/6/560 |
| article html file updated | 25 September 2019 02:45 CEST | Update | - |
| article html file updated | 3 May 2019 19:32 CEST | Update | - |
| article html file updated | 29 June 2017 11:42 CEST | Update | - |
| article html file updated | 2 June 2017 09:44 CEST | Update | - |
| article html file updated | 2 June 2017 09:44 CEST | Original file | - |
| article xml uploaded. | 2 June 2017 09:43 CEST | Original file | https://www.mdpi.com/2072-6643/9/6/560/xml |
| article pdf uploaded. | 2 June 2017 09:43 CEST | Updated version of record | https://www.mdpi.com/2072-6643/9/6/560/pdf |
