| article html file updated | 9 February 2020 20:16 CET | Update | https://www.mdpi.com/2076-0760/7/6/91 |
| article html file updated | 30 April 2019 13:51 CEST | Update | - |
| article html file updated | 16 April 2019 14:29 CEST | Update | - |
| article html file updated | 30 March 2019 07:35 CET | Update | - |
| article html file updated | 5 June 2018 06:00 CEST | Original file | - |
| article pdf uploaded. | 5 June 2018 05:58 CEST | Version of Record | https://www.mdpi.com/2076-0760/7/6/91/pdf |
| article xml uploaded. | 5 June 2018 05:58 CEST | Update | https://www.mdpi.com/2076-0760/7/6/91/xml |
| article xml file uploaded | 5 June 2018 05:58 CEST | Original file | - |
