| article html file updated | 8 February 2020 00:38 CET | Update | https://www.mdpi.com/2306-5338/4/1/17 |
| article html file updated | 23 September 2019 15:03 CEST | Update | - |
| article html file updated | 4 May 2019 08:33 CEST | Update | - |
| article html file updated | 14 March 2017 08:13 CET | Original file | - |
| article xml uploaded. | 14 March 2017 08:11 CET | Original file | https://www.mdpi.com/2306-5338/4/1/17/xml |
| article pdf uploaded. | 14 March 2017 08:11 CET | Updated version of record | https://www.mdpi.com/2306-5338/4/1/17/pdf |
| article pdf uploaded. | 2 March 2017 12:44 CET | Version of Record | https://www.mdpi.com/2306-5338/4/1/17/pdf-vor |
