| article html file updated | 6 February 2020 15:51 CET | Update | https://www.mdpi.com/2304-6732/2/1/164 |
| article html file updated | 7 May 2019 01:10 CEST | Update | - |
| article html file updated | 25 March 2019 21:37 CET | Update | - |
| article html file updated | 2 November 2015 10:51 CET | Original file | - |
| article xml file uploaded | 2 November 2015 10:51 CET | Original file | https://www.mdpi.com/2304-6732/2/1/164/xml |
| article pdf uploaded. | 10 February 2015 13:20 CET | Version of Record | https://www.mdpi.com/2304-6732/2/1/164/pdf |
