| article html file updated | 8 February 2020 02:51 CET | Update | https://www.mdpi.com/2076-2607/5/2/16 |
| article html file updated | 24 September 2019 03:42 CEST | Update | - |
| article html file updated | 4 May 2019 03:43 CEST | Update | - |
| article html file updated | 28 June 2017 14:08 CEST | Update | - |
| article html file updated | 3 April 2017 12:18 CEST | Original file | - |
| article xml uploaded. | 3 April 2017 12:17 CEST | Update | https://www.mdpi.com/2076-2607/5/2/16/xml |
| article pdf uploaded. | 3 April 2017 12:17 CEST | Version of Record | https://www.mdpi.com/2076-2607/5/2/16/pdf |
