| article html file updated | 7 February 2020 08:22 CET | Update | https://www.mdpi.com/2073-4395/6/2/29 |
| article html file updated | 5 May 2019 16:26 CEST | Update | N/A |
| article html file updated | 27 March 2019 04:06 CET | Update | N/A |
| article html file updated | 30 June 2016 07:40 CEST | Update | N/A |
| article html file updated | 9 May 2016 09:54 CEST | Original file | N/A |
| article xml uploaded. | 9 May 2016 09:53 CEST | Original file | https://www.mdpi.com/2073-4395/6/2/29/xml |
| article pdf uploaded. | 9 May 2016 09:53 CEST | Version of Record | https://www.mdpi.com/2073-4395/6/2/29/pdf |
