| article html file updated | 8 February 2020 05:52 CET | Update | https://www.mdpi.com/2306-7381/4/2/27 |
| article html file updated | 24 September 2019 19:57 CEST | Update | - |
| article html file updated | 3 May 2019 22:02 CEST | Update | - |
| article html file updated | 23 May 2017 04:14 CEST | Update | - |
| article html file updated | 15 May 2017 11:33 CEST | Original file | - |
| article xml uploaded. | 15 May 2017 11:32 CEST | Original file | https://www.mdpi.com/2306-7381/4/2/27/xml |
| article pdf uploaded. | 15 May 2017 11:32 CEST | Updated version of record | https://www.mdpi.com/2306-7381/4/2/27/pdf |
| article pdf uploaded. | 14 May 2017 11:56 CEST | Version of Record | https://www.mdpi.com/2306-7381/4/2/27/pdf-vor |
