| article html file updated | 7 February 2020 11:13 CET | Update | https://www.mdpi.com/2075-4450/7/3/32 |
| article html file updated | 5 May 2019 11:01 CEST | Update | - |
| article html file updated | 27 March 2019 09:23 CET | Update | - |
| article html file updated | 28 September 2016 22:50 CEST | Update | - |
| article html file updated | 5 July 2016 08:18 CEST | Original file | - |
| article xml uploaded. | 5 July 2016 08:16 CEST | Original file | https://www.mdpi.com/2075-4450/7/3/32/xml |
| article pdf uploaded. | 5 July 2016 08:16 CEST | Version of Record | https://www.mdpi.com/2075-4450/7/3/32/pdf |
