| article html file updated | 6 February 2020 07:33 CET | Update | https://www.mdpi.com/2075-4698/4/1/125 |
| article html file updated | 7 May 2019 18:03 CEST | Update | - |
| article html file updated | 21 March 2019 13:02 CET | Update | - |
| article html file updated | 20 July 2017 10:35 CEST | Update | - |
| article html file updated | 20 July 2017 10:34 CEST | Update | - |
| article html file updated | 20 July 2017 10:33 CEST | Original file | - |
| article xml uploaded. | 20 July 2017 10:32 CEST | Original file | https://www.mdpi.com/2075-4698/4/1/125/xml |
| article pdf uploaded. | 26 February 2014 15:34 CET | Version of Record | https://www.mdpi.com/2075-4698/4/1/125/pdf |
