| article html file updated | 7 February 2020 09:47 CET | Update | https://www.mdpi.com/2304-6732/3/2/37 |
| article html file updated | 5 May 2019 13:41 CEST | Update | - |
| article html file updated | 27 March 2019 06:45 CET | Update | - |
| article html file updated | 1 July 2016 13:35 CEST | Update | - |
| article html file updated | 4 June 2016 12:02 CEST | Original file | - |
| article xml uploaded. | 4 June 2016 12:01 CEST | Original file | https://www.mdpi.com/2304-6732/3/2/37/xml |
| article pdf uploaded. | 4 June 2016 12:01 CEST | Version of Record | https://www.mdpi.com/2304-6732/3/2/37/pdf |
