| article html file updated | 7 February 2020 11:43 CET | Update | https://www.mdpi.com/2073-4344/6/7/102 |
| article html file updated | 5 May 2019 10:06 CEST | Update | N/A |
| article html file updated | 27 March 2019 10:20 CET | Update | N/A |
| article html file updated | 28 July 2016 09:17 CEST | Update | N/A |
| article html file updated | 18 July 2016 08:32 CEST | Update | N/A |
| article xml uploaded. | 18 July 2016 08:31 CEST | Update | https://www.mdpi.com/2073-4344/6/7/102/xml |
| article pdf uploaded. | 18 July 2016 08:31 CEST | Updated version of record | https://www.mdpi.com/2073-4344/6/7/102/pdf |
| article html file updated | 15 July 2016 07:42 CEST | Original file | N/A |
| article pdf uploaded. | 15 July 2016 07:41 CEST | Version of Record | https://www.mdpi.com/2073-4344/6/7/102/pdf-vor |
