| article html file updated | 7 February 2020 09:04 CET | Update | https://www.mdpi.com/2304-6732/3/2/34 |
| article html file updated | 5 May 2019 15:07 CEST | Update | N/A |
| article html file updated | 27 March 2019 05:21 CET | Update | N/A |
| article html file updated | 1 July 2016 13:34 CEST | Update | N/A |
| article html file updated | 20 May 2016 12:02 CEST | Original file | N/A |
| article xml uploaded. | 20 May 2016 12:01 CEST | Original file | https://www.mdpi.com/2304-6732/3/2/34/xml |
| article pdf uploaded. | 20 May 2016 12:01 CEST | Version of Record | https://www.mdpi.com/2304-6732/3/2/34/pdf |
