| article html file updated | 7 February 2020 22:56 CET | Update | https://www.mdpi.com/1996-1073/10/2/188 |
| article html file updated | 23 September 2019 05:29 CEST | Update | - |
| article html file updated | 4 May 2019 12:08 CEST | Update | - |
| article html file updated | 28 February 2017 10:29 CET | Update | - |
| article html file updated | 10 February 2017 06:30 CET | Original file | - |
| article xml uploaded. | 10 February 2017 06:29 CET | Update | https://www.mdpi.com/1996-1073/10/2/188/xml |
| article xml uploaded. | 10 February 2017 06:29 CET | Original file | - |
| article pdf uploaded. | 10 February 2017 06:29 CET | Updated version of record | https://www.mdpi.com/1996-1073/10/2/188/pdf |
| article pdf uploaded. | 8 February 2017 17:18 CET | Version of Record | https://www.mdpi.com/1996-1073/10/2/188/pdf-vor |
