| article html file updated | 7 February 2020 23:30 CET | Update | https://www.mdpi.com/2073-4344/7/2/62 |
| article html file updated | 23 September 2019 08:33 CEST | Update | - |
| article html file updated | 4 May 2019 11:02 CEST | Update | - |
| article html file updated | 1 March 2017 07:59 CET | Update | - |
| article html file updated | 16 February 2017 03:55 CET | Original file | - |
| article xml uploaded. | 16 February 2017 03:53 CET | Update | https://www.mdpi.com/2073-4344/7/2/62/xml |
| article xml uploaded. | 16 February 2017 03:53 CET | Original file | - |
| article pdf uploaded. | 16 February 2017 03:53 CET | Version of Record | https://www.mdpi.com/2073-4344/7/2/62/pdf |
