| article html file updated | 8 February 2020 01:20 CET | Update | https://www.mdpi.com/2073-4441/9/3/201 |
| article html file updated | 23 September 2019 19:04 CEST | Update | - |
| article html file updated | 4 May 2019 07:01 CEST | Update | - |
| article html file updated | 28 March 2017 03:48 CEST | Update | - |
| article html file updated | 14 March 2017 12:24 CET | Update | - |
| article xml uploaded. | 14 March 2017 12:23 CET | Update | https://www.mdpi.com/2073-4441/9/3/201/xml |
| article pdf uploaded. | 14 March 2017 12:23 CET | Updated version of record | https://www.mdpi.com/2073-4441/9/3/201/pdf |
| article html file updated | 13 March 2017 03:53 CET | Original file | - |
| article pdf uploaded. | 13 March 2017 03:52 CET | Version of Record | https://www.mdpi.com/2073-4441/9/3/201/pdf-vor |
