| article html file updated | 7 February 2020 11:01 CET | Update | https://www.mdpi.com/2079-6374/6/3/32 |
| article html file updated | 5 May 2019 11:22 CEST | Update | - |
| article html file updated | 27 March 2019 09:01 CET | Update | - |
| article html file updated | 28 September 2016 22:48 CEST | Update | - |
| article html file updated | 30 June 2016 10:59 CEST | Original file | - |
| article xml uploaded. | 30 June 2016 10:58 CEST | Original file | https://www.mdpi.com/2079-6374/6/3/32/xml |
| article pdf uploaded. | 30 June 2016 10:58 CEST | Version of Record | https://www.mdpi.com/2079-6374/6/3/32/pdf |
