| article html file updated | 8 February 2020 01:50 CET | Update | https://www.mdpi.com/2073-4441/9/3/227 |
| article html file updated | 23 September 2019 22:00 CEST | Update | - |
| article html file updated | 4 May 2019 05:52 CEST | Update | - |
| article html file updated | 28 March 2017 03:59 CEST | Update | - |
| article html file updated | 27 March 2017 05:18 CEST | Update | - |
| article html file updated | 23 March 2017 09:08 CET | Original file | - |
| article xml uploaded. | 23 March 2017 09:07 CET | Update | https://www.mdpi.com/2073-4441/9/3/227/xml |
| article pdf uploaded. | 23 March 2017 09:07 CET | Updated version of record | https://www.mdpi.com/2073-4441/9/3/227/pdf |
| article pdf uploaded. | 20 March 2017 13:11 CET | Version of Record | https://www.mdpi.com/2073-4441/9/3/227/pdf-vor |
