| article html file updated | 8 February 2020 18:30 CET | Update | https://www.mdpi.com/2078-2489/8/4/127 |
| article html file updated | 27 September 2019 18:40 CEST | Update | - |
| article html file updated | 2 May 2019 21:12 CEST | Update | - |
| article html file updated | 2 January 2018 13:35 CET | Update | - |
| article html file updated | 14 October 2017 13:16 CEST | Original file | - |
| article xml uploaded. | 14 October 2017 13:15 CEST | Original file | https://www.mdpi.com/2078-2489/8/4/127/xml |
| article pdf uploaded. | 14 October 2017 13:15 CEST | Version of Record | https://www.mdpi.com/2078-2489/8/4/127/pdf |
