| article html file updated | 9 February 2020 03:20 CET | Update | https://www.mdpi.com/2073-4352/8/1/42 |
| article html file updated | 2 May 2019 01:43 CEST | Update | - |
| article html file updated | 18 April 2019 00:00 CEST | Update | - |
| article html file updated | 28 March 2019 16:11 CET | Update | - |
| article html file updated | 1 February 2018 10:14 CET | Update | - |
| article html file updated | 17 January 2018 23:32 CET | Original file | - |
| article xml uploaded. | 17 January 2018 06:24 CET | Original file | https://www.mdpi.com/2073-4352/8/1/42/xml |
| article pdf uploaded. | 17 January 2018 06:24 CET | Version of Record | https://www.mdpi.com/2073-4352/8/1/42/pdf |
