| article html file updated | 8 February 2020 13:32 CET | Update | https://www.mdpi.com/2076-0760/6/3/93 |
| article html file updated | 26 September 2019 13:03 CEST | Update | - |
| article html file updated | 3 May 2019 06:58 CEST | Update | - |
| article html file updated | 27 March 2019 20:49 CET | Update | - |
| article html file updated | 14 August 2017 15:22 CEST | Original file | - |
| article xml uploaded. | 14 August 2017 15:20 CEST | Original file | https://www.mdpi.com/2076-0760/6/3/93/xml |
| article pdf uploaded. | 14 August 2017 15:20 CEST | Version of Record | https://www.mdpi.com/2076-0760/6/3/93/pdf |
