| article html file updated | 8 February 2020 02:36 CET | Update | https://www.mdpi.com/2072-6643/9/4/344 |
| article html file updated | 24 September 2019 02:13 CEST | Update | - |
| article html file updated | 4 May 2019 04:17 CEST | Update | - |
| article html file updated | 28 April 2017 11:46 CEST | Update | - |
| article html file updated | 31 March 2017 05:58 CEST | Update | - |
| article xml uploaded. | 31 March 2017 05:57 CEST | Update | https://www.mdpi.com/2072-6643/9/4/344/xml |
| article pdf uploaded. | 31 March 2017 05:57 CEST | Updated version of record | https://www.mdpi.com/2072-6643/9/4/344/pdf |
| article html file updated | 30 March 2017 12:55 CEST | Original file | - |
| article pdf uploaded. | 30 March 2017 12:54 CEST | Version of Record | https://www.mdpi.com/2072-6643/9/4/344/pdf-vor |
