| article html file updated | 8 February 2020 05:01 CET | Update | https://www.mdpi.com/2072-6643/9/5/455 |
| article html file updated | 24 September 2019 15:36 CEST | Update | - |
| article html file updated | 3 May 2019 23:34 CEST | Update | - |
| article html file updated | 1 June 2017 07:37 CEST | Update | - |
| article html file updated | 23 May 2017 03:37 CEST | Update | - |
| article html file updated | 4 May 2017 11:47 CEST | Original file | - |
| article xml uploaded. | 4 May 2017 11:46 CEST | Original file | https://www.mdpi.com/2072-6643/9/5/455/xml |
| article pdf uploaded. | 4 May 2017 11:46 CEST | Version of Record | https://www.mdpi.com/2072-6643/9/5/455/pdf |
