| article html file updated | 8 February 2020 03:14 CET | Update | https://www.mdpi.com/2072-6643/9/4/368 |
| article html file updated | 24 September 2019 05:52 CEST | Update | - |
| article html file updated | 4 May 2019 02:52 CEST | Update | - |
| article html file updated | 28 April 2017 11:49 CEST | Update | - |
| article html file updated | 13 April 2017 08:36 CEST | Update | - |
| article xml uploaded. | 13 April 2017 08:34 CEST | Update | https://www.mdpi.com/2072-6643/9/4/368/xml |
| article pdf uploaded. | 13 April 2017 08:34 CEST | Updated version of record | https://www.mdpi.com/2072-6643/9/4/368/pdf |
| article html file updated | 10 April 2017 15:42 CEST | Original file | - |
| article pdf uploaded. | 10 April 2017 15:40 CEST | Version of Record | https://www.mdpi.com/2072-6643/9/4/368/pdf-vor |
