| article html file updated | 8 February 2020 03:44 CET | Update | https://www.mdpi.com/2076-0760/6/2/41 |
| article html file updated | 24 September 2019 08:38 CEST | Update | N/A |
| article html file updated | 4 May 2019 01:56 CEST | Update | N/A |
| article html file updated | 18 April 2017 10:17 CEST | Original file | N/A |
| article xml uploaded. | 18 April 2017 10:16 CEST | Original file | https://www.mdpi.com/2076-0760/6/2/41/xml |
| article pdf uploaded. | 18 April 2017 10:16 CEST | Updated version of record | https://www.mdpi.com/2076-0760/6/2/41/pdf |
| article pdf uploaded. | 17 April 2017 11:46 CEST | Version of Record | https://www.mdpi.com/2076-0760/6/2/41/pdf-vor |
