| article html file updated | 11 February 2020 13:20 CET | Update | https://www.mdpi.com/2073-4344/9/2/137 |
| article html file updated | 14 October 2019 09:12 CEST | Update | - |
| article html file updated | 26 April 2019 21:57 CEST | Update | - |
| article html file updated | 12 April 2019 17:47 CEST | Update | - |
| article html file updated | 3 April 2019 14:10 CEST | Update | - |
| article html file updated | 1 March 2019 12:50 CET | Update | - |
| article html file updated | 28 February 2019 11:52 CET | Update | - |
| article html file updated | 14 February 2019 11:36 CET | Original file | - |
| article pdf uploaded. | 14 February 2019 11:34 CET | Updated version of record | https://www.mdpi.com/2073-4344/9/2/137/pdf |
| article xml uploaded. | 14 February 2019 11:34 CET | Update | https://www.mdpi.com/2073-4344/9/2/137/xml |
| article xml file uploaded | 14 February 2019 11:34 CET | Update | - |
| article pdf uploaded. | 1 February 2019 15:58 CET | Version of Record | https://www.mdpi.com/2073-4344/9/2/137/pdf-vor |
| article xml file uploaded | 1 February 2019 15:58 CET | Original file | - |
