| article html file updated | 8 February 2020 01:00 CET | Update | https://www.mdpi.com/2076-0760/6/1/27 |
| article html file updated | 23 September 2019 17:16 CEST | Update | - |
| article html file updated | 4 May 2019 07:42 CEST | Update | - |
| article html file updated | 8 March 2017 10:01 CET | Update | - |
| article html file updated | 8 March 2017 10:01 CET | Original file | - |
| article xml uploaded. | 8 March 2017 10:00 CET | Original file | https://www.mdpi.com/2076-0760/6/1/27/xml |
| article pdf uploaded. | 8 March 2017 10:00 CET | Version of Record | https://www.mdpi.com/2076-0760/6/1/27/pdf |
