| article html file updated | 7 February 2020 05:32 CET | Update | https://www.mdpi.com/2073-4441/8/3/89 |
| article html file updated | 21 September 2019 12:38 CEST | Update | - |
| article html file updated | 5 May 2019 22:14 CEST | Update | - |
| article html file updated | 26 March 2019 22:45 CET | Update | - |
| article html file updated | 29 March 2016 11:42 CEST | Original file | - |
| article pdf uploaded. | 8 March 2016 07:56 CET | Updated version of record | https://www.mdpi.com/2073-4441/8/3/89/pdf |
| article xml uploaded. | 8 March 2016 07:56 CET | Update | https://www.mdpi.com/2073-4441/8/3/89/xml |
| article pdf uploaded. | 7 March 2016 13:01 CET | Version of Record | https://www.mdpi.com/2073-4441/8/3/89/pdf-vor |
