| article html file updated | 7 February 2020 08:58 CET | Update | https://www.mdpi.com/2073-4395/6/2/34 |
| article html file updated | 5 May 2019 15:17 CEST | Update | N/A |
| article html file updated | 27 March 2019 05:11 CET | Update | N/A |
| article html file updated | 30 June 2016 07:41 CEST | Update | N/A |
| article html file updated | 19 May 2016 14:52 CEST | Original file | N/A |
| article xml uploaded. | 19 May 2016 14:51 CEST | Original file | https://www.mdpi.com/2073-4395/6/2/34/xml |
| article pdf uploaded. | 19 May 2016 14:51 CEST | Version of Record | https://www.mdpi.com/2073-4395/6/2/34/pdf |
