| article html file updated | 7 February 2020 08:06 CET | Update | https://www.mdpi.com/2306-5338/3/2/17 |
| article html file updated | 5 May 2019 16:58 CEST | Update | - |
| article html file updated | 27 March 2019 03:34 CET | Update | - |
| article html file updated | 2 May 2016 12:06 CEST | Original file | - |
| article xml uploaded. | 2 May 2016 12:03 CEST | Original file | https://www.mdpi.com/2306-5338/3/2/17/xml |
| article pdf uploaded. | 2 May 2016 12:03 CEST | Version of Record | https://www.mdpi.com/2306-5338/3/2/17/pdf |
