| article html file updated | 8 February 2020 03:15 CET | Update | https://www.mdpi.com/2077-1312/5/2/17 |
| article html file updated | 4 May 2019 02:51 CEST | Update | - |
| article html file updated | 27 October 2017 10:59 CEST | Update | - |
| article html file updated | 10 April 2017 15:15 CEST | Update | - |
| article html file updated | 10 April 2017 15:15 CEST | Update | - |
| article html file updated | 10 April 2017 15:15 CEST | Original file | - |
| article xml uploaded. | 10 April 2017 15:14 CEST | Update | https://www.mdpi.com/2077-1312/5/2/17/xml |
| article pdf uploaded. | 10 April 2017 15:14 CEST | Version of Record | https://www.mdpi.com/2077-1312/5/2/17/pdf |
