| article html file updated | 7 February 2020 23:06 CET | Update | https://www.mdpi.com/2073-4441/9/2/112 |
| article html file updated | 23 September 2019 06:24 CEST | Update | N/A |
| article html file updated | 4 May 2019 11:48 CEST | Update | N/A |
| article html file updated | 1 March 2017 08:06 CET | Update | N/A |
| article html file updated | 13 February 2017 11:41 CET | Original file | N/A |
| article xml uploaded. | 13 February 2017 11:40 CET | Original file | https://www.mdpi.com/2073-4441/9/2/112/xml |
| article pdf uploaded. | 13 February 2017 11:40 CET | Updated version of record | https://www.mdpi.com/2073-4441/9/2/112/pdf |
| article pdf uploaded. | 10 February 2017 15:09 CET | Version of Record | https://www.mdpi.com/2073-4441/9/2/112/pdf-vor |
