| article html file updated | 7 February 2020 07:04 CET | Update | https://www.mdpi.com/2075-4450/7/2/13 |
| article html file updated | 5 May 2019 19:03 CEST | Update | - |
| article html file updated | 27 March 2019 01:29 CET | Update | - |
| article html file updated | 4 July 2016 10:33 CEST | Update | - |
| article pdf uploaded. | 13 April 2016 11:45 CEST | Updated version of record | https://www.mdpi.com/2075-4450/7/2/13/pdf |
| article html file updated | 9 April 2016 13:15 CEST | Original file | - |
| article xml uploaded. | 9 April 2016 13:14 CEST | Original file | https://www.mdpi.com/2075-4450/7/2/13/xml |
| article pdf uploaded. | 9 April 2016 13:14 CEST | Version of Record | https://www.mdpi.com/2075-4450/7/2/13/pdf-vor |
