| article html file updated | 8 February 2020 01:30 CET | Update | https://www.mdpi.com/2072-6643/9/3/280 |
| article html file updated | 4 May 2019 06:38 CEST | Update | - |
| article html file updated | 28 March 2017 09:38 CEST | Update | - |
| article html file updated | 16 March 2017 11:17 CET | Original file | - |
| article xml uploaded. | 16 March 2017 11:16 CET | Original file | https://www.mdpi.com/2072-6643/9/3/280/xml |
| article pdf uploaded. | 16 March 2017 11:16 CET | Updated version of record | https://www.mdpi.com/2072-6643/9/3/280/pdf |
| article pdf uploaded. | 15 March 2017 11:06 CET | Version of Record | https://www.mdpi.com/2072-6643/9/3/280/pdf-vor |
