| article html file updated | 7 February 2020 10:39 CET | Update | https://www.mdpi.com/2073-4344/6/7/93 |
| article html file updated | 5 May 2019 12:02 CEST | Update | N/A |
| article html file updated | 27 March 2019 08:21 CET | Update | N/A |
| article html file updated | 28 July 2016 09:03 CEST | Update | N/A |
| article html file updated | 23 June 2016 11:13 CEST | Original file | N/A |
| article xml uploaded. | 23 June 2016 11:12 CEST | Original file | https://www.mdpi.com/2073-4344/6/7/93/xml |
| article pdf uploaded. | 23 June 2016 11:12 CEST | Version of Record | https://www.mdpi.com/2073-4344/6/7/93/pdf |
