| article html file updated | 7 February 2020 12:38 CET | Update | https://www.mdpi.com/2304-6732/3/3/47 |
| article html file updated | 5 May 2019 08:25 CEST | Update | N/A |
| article html file updated | 27 March 2019 12:00 CET | Update | N/A |
| article html file updated | 29 September 2016 08:55 CEST | Update | N/A |
| article html file updated | 30 July 2016 12:18 CEST | Original file | N/A |
| article xml uploaded. | 30 July 2016 12:17 CEST | Update | https://www.mdpi.com/2304-6732/3/3/47/xml |
| article pdf uploaded. | 30 July 2016 12:17 CEST | Version of Record | https://www.mdpi.com/2304-6732/3/3/47/pdf |
