| article html file updated | 8 February 2020 02:10 CET | Update | https://www.mdpi.com/2073-4360/9/4/119 |
| article html file updated | 23 September 2019 23:53 CEST | Update | - |
| article html file updated | 4 May 2019 05:12 CEST | Update | - |
| article html file updated | 18 March 2019 05:31 CET | Update | - |
| article html file updated | 28 April 2017 10:34 CEST | Update | - |
| article html file updated | 27 March 2017 14:34 CEST | Original file | - |
| article xml uploaded. | 27 March 2017 14:33 CEST | Update | https://www.mdpi.com/2073-4360/9/4/119/xml |
| article pdf uploaded. | 27 March 2017 14:33 CEST | Updated version of record | https://www.mdpi.com/2073-4360/9/4/119/pdf |
| article pdf uploaded. | 24 March 2017 14:03 CET | Version of Record | https://www.mdpi.com/2073-4360/9/4/119/pdf-vor |
