| article html file updated | 8 February 2020 10:53 CET | Update | https://www.mdpi.com/2076-0760/6/3/75 |
| article html file updated | 25 September 2019 22:04 CEST | Update | - |
| article html file updated | 3 May 2019 12:37 CEST | Update | - |
| article html file updated | 17 July 2017 10:33 CEST | Update | - |
| article html file updated | 17 July 2017 10:31 CEST | Update | - |
| article html file updated | 17 July 2017 10:30 CEST | Original file | - |
| article xml uploaded. | 17 July 2017 10:29 CEST | Original file | https://www.mdpi.com/2076-0760/6/3/75/xml |
| article pdf uploaded. | 17 July 2017 10:29 CEST | Updated version of record | https://www.mdpi.com/2076-0760/6/3/75/pdf |
| article pdf uploaded. | 13 July 2017 11:05 CEST | Version of Record | https://www.mdpi.com/2076-0760/6/3/75/pdf-vor |
