| article html file updated | 7 February 2020 08:14 CET | Update | https://www.mdpi.com/2075-4418/6/2/17 |
| article html file updated | 5 May 2019 16:42 CEST | Update | N/A |
| article html file updated | 27 March 2019 03:50 CET | Update | N/A |
| article html file updated | 4 July 2016 10:31 CEST | Update | N/A |
| article html file updated | 9 May 2016 08:45 CEST | Update | N/A |
| article xml uploaded. | 9 May 2016 08:43 CEST | Update | https://www.mdpi.com/2075-4418/6/2/17/xml |
| article pdf uploaded. | 9 May 2016 08:41 CEST | Updated version of record | https://www.mdpi.com/2075-4418/6/2/17/pdf |
| article html file updated | 5 May 2016 13:24 CEST | Original file | N/A |
| article pdf uploaded. | 5 May 2016 13:23 CEST | Version of Record | https://www.mdpi.com/2075-4418/6/2/17/pdf-vor |
