| article html file updated | 8 February 2020 00:50 CET | Update | https://www.mdpi.com/1996-1073/10/3/312 |
| article html file updated | 23 September 2019 16:17 CEST | Update | - |
| article html file updated | 4 May 2019 08:05 CEST | Update | - |
| article html file updated | 28 March 2017 11:28 CEST | Update | - |
| article html file updated | 7 March 2017 11:11 CET | Original file | - |
| article xml uploaded. | 7 March 2017 11:10 CET | Original file | https://www.mdpi.com/1996-1073/10/3/312/xml |
| article pdf uploaded. | 7 March 2017 11:10 CET | Updated version of record | https://www.mdpi.com/1996-1073/10/3/312/pdf |
| article pdf uploaded. | 6 March 2017 09:37 CET | Version of Record | https://www.mdpi.com/1996-1073/10/3/312/pdf-vor |
