| article html file updated | 8 February 2020 03:26 CET | Update | https://www.mdpi.com/2076-328X/7/2/18 |
| article html file updated | 24 September 2019 06:52 CEST | Update | - |
| article html file updated | 4 May 2019 02:29 CEST | Update | - |
| article html file updated | 28 June 2017 12:32 CEST | Update | - |
| article html file updated | 12 April 2017 12:40 CEST | Original file | - |
| article xml uploaded. | 12 April 2017 12:39 CEST | Original file | https://www.mdpi.com/2076-328X/7/2/18/xml |
| article pdf uploaded. | 12 April 2017 12:39 CEST | Version of Record | https://www.mdpi.com/2076-328X/7/2/18/pdf |
