| article html file updated | 8 February 2020 00:40 CET | Update | https://www.mdpi.com/1996-1073/10/3/304 |
| article html file updated | 23 September 2019 15:15 CEST | Update | - |
| article html file updated | 4 May 2019 08:28 CEST | Update | - |
| article html file updated | 28 March 2017 11:26 CEST | Update | - |
| article html file updated | 8 March 2017 02:51 CET | Original file | - |
| article xml uploaded. | 8 March 2017 02:50 CET | Update | https://www.mdpi.com/1996-1073/10/3/304/xml |
| article pdf uploaded. | 8 March 2017 02:50 CET | Updated version of record | https://www.mdpi.com/1996-1073/10/3/304/pdf |
| article pdf uploaded. | 3 March 2017 10:20 CET | Version of Record | https://www.mdpi.com/1996-1073/10/3/304/pdf-vor |
