| article html file updated | 8 February 2020 12:49 CET | Update | https://www.mdpi.com/2306-7381/4/3/38 |
| article html file updated | 26 September 2019 08:58 CEST | Update | - |
| article html file updated | 3 May 2019 08:23 CEST | Update | - |
| article html file updated | 27 March 2019 19:20 CET | Update | - |
| article html file updated | 4 August 2017 13:02 CEST | Original file | - |
| article xml uploaded. | 4 August 2017 13:01 CEST | Original file | https://www.mdpi.com/2306-7381/4/3/38/xml |
| article pdf uploaded. | 4 August 2017 13:01 CEST | Version of Record | https://www.mdpi.com/2306-7381/4/3/38/pdf |
