| article html file updated | 7 February 2020 22:31 CET | Update | https://www.mdpi.com/2073-4441/9/2/80 |
| article html file updated | 23 September 2019 03:05 CEST | Update | N/A |
| article html file updated | 4 May 2019 13:01 CEST | Update | N/A |
| article html file updated | 1 March 2017 07:55 CET | Update | N/A |
| article html file updated | 8 February 2017 11:20 CET | Original file | N/A |
| article xml uploaded. | 8 February 2017 10:41 CET | Original file | https://www.mdpi.com/2073-4441/9/2/80/xml |
| article pdf uploaded. | 8 February 2017 10:41 CET | Updated version of record | https://www.mdpi.com/2073-4441/9/2/80/pdf |
| article pdf uploaded. | 31 January 2017 09:48 CET | Version of Record | https://www.mdpi.com/2073-4441/9/2/80/pdf-vor |
