| article html file updated | 12 February 2020 01:13 CET | Update | https://www.mdpi.com/2073-4344/9/4/306 |
| article html file updated | 17 October 2019 07:15 CEST | Update | - |
| article html file updated | 8 May 2019 16:30 CEST | Update | - |
| article html file updated | 25 April 2019 20:40 CEST | Update | - |
| article html file updated | 11 April 2019 15:51 CEST | Update | - |
| article html file updated | 29 March 2019 11:22 CET | Original file | - |
| article pdf uploaded. | 29 March 2019 11:21 CET | Updated version of record | https://www.mdpi.com/2073-4344/9/4/306/pdf |
| article xml uploaded. | 29 March 2019 11:21 CET | Update | https://www.mdpi.com/2073-4344/9/4/306/xml |
| article xml file uploaded | 29 March 2019 11:21 CET | Update | - |
| article pdf uploaded. | 27 March 2019 16:01 CET | Version of Record | https://www.mdpi.com/2073-4344/9/4/306/pdf-vor |
| article xml file uploaded | 27 March 2019 16:01 CET | Original file | - |
