| article html file updated | 6 February 2020 23:30 CET | Update | https://www.mdpi.com/2304-6767/3/4/93 |
| article html file updated | 21 September 2019 04:23 CEST | Update | N/A |
| article html file updated | 6 May 2019 09:54 CEST | Update | N/A |
| article html file updated | 26 March 2019 12:03 CET | Update | N/A |
| article html file updated | 5 November 2015 08:20 CET | Original file | N/A |
| article xml file uploaded | 5 November 2015 08:20 CET | Original file | https://www.mdpi.com/2304-6767/3/4/93/xml |
| article pdf uploaded. | 6 October 2015 09:32 CEST | Version of Record | https://www.mdpi.com/2304-6767/3/4/93/pdf |
