| article html file updated | 7 February 2020 09:03 CET | Update | https://www.mdpi.com/2304-6732/3/2/32 |
| article html file updated | 5 May 2019 15:08 CEST | Update | - |
| article html file updated | 27 March 2019 05:20 CET | Update | - |
| article html file updated | 1 July 2016 13:34 CEST | Update | - |
| article html file updated | 20 May 2016 12:09 CEST | Original file | - |
| article xml uploaded. | 20 May 2016 12:07 CEST | Original file | https://www.mdpi.com/2304-6732/3/2/32/xml |
| article pdf uploaded. | 20 May 2016 12:07 CEST | Version of Record | https://www.mdpi.com/2304-6732/3/2/32/pdf |
