| article html file updated | 9 February 2020 09:19 CET | Update | https://www.mdpi.com/2076-0760/7/3/42 |
| article html file updated | 1 May 2019 12:51 CEST | Update | - |
| article html file updated | 17 April 2019 12:32 CEST | Update | - |
| article html file updated | 29 March 2019 05:26 CET | Update | - |
| article html file updated | 10 March 2018 06:50 CET | Original file | - |
| article xml uploaded. | 10 March 2018 06:49 CET | Original file | https://www.mdpi.com/2076-0760/7/3/42/xml |
| article pdf uploaded. | 10 March 2018 06:49 CET | Updated version of record | https://www.mdpi.com/2076-0760/7/3/42/pdf |
| article pdf uploaded. | 9 March 2018 18:01 CET | Version of Record | https://www.mdpi.com/2076-0760/7/3/42/pdf-vor |
