| article html file updated | 9 February 2020 04:08 CET | Update | https://www.mdpi.com/2073-4360/10/2/109 |
| article html file updated | 30 September 2019 04:12 CEST | Update | - |
| article html file updated | 2 May 2019 00:00 CEST | Update | - |
| article html file updated | 17 April 2019 22:31 CEST | Update | - |
| article html file updated | 28 March 2019 17:54 CET | Update | - |
| article html file updated | 14 March 2018 09:55 CET | Update | - |
| article html file updated | 24 January 2018 07:01 CET | Original file | - |
| article xml uploaded. | 24 January 2018 07:00 CET | Update | https://www.mdpi.com/2073-4360/10/2/109/xml |
| article xml uploaded. | 24 January 2018 07:00 CET | Original file | - |
| article pdf uploaded. | 24 January 2018 07:00 CET | Version of Record | https://www.mdpi.com/2073-4360/10/2/109/pdf |
