| article html file updated | 8 February 2020 01:54 CET | Update | https://www.mdpi.com/1996-1073/10/3/408 |
| article html file updated | 23 September 2019 22:20 CEST | Update | - |
| article html file updated | 4 May 2019 05:46 CEST | Update | - |
| article html file updated | 28 March 2017 11:49 CEST | Update | - |
| article html file updated | 27 March 2017 05:20 CEST | Update | - |
| article html file updated | 24 March 2017 06:47 CET | Update | - |
| article html file updated | 23 March 2017 02:40 CET | Original file | - |
| article xml uploaded. | 23 March 2017 02:39 CET | Original file | https://www.mdpi.com/1996-1073/10/3/408/xml |
| article pdf uploaded. | 23 March 2017 02:39 CET | Updated version of record | https://www.mdpi.com/1996-1073/10/3/408/pdf |
| article pdf uploaded. | 21 March 2017 11:30 CET | Version of Record | https://www.mdpi.com/1996-1073/10/3/408/pdf-vor |
