| article html file updated | 6 February 2020 08:55 CET | Update | https://www.mdpi.com/2304-6732/1/2/95 |
| article html file updated | 7 May 2019 15:14 CEST | Update | N/A |
| article html file updated | 21 March 2019 16:16 CET | Original file | N/A |
| article pdf uploaded. | 29 April 2014 12:00 CEST | Version of Record | https://www.mdpi.com/2304-6732/1/2/95/pdf |
