| article html file updated | 8 February 2020 01:09 CET | Update | https://www.mdpi.com/1996-1073/10/3/337 |
| article html file updated | 23 September 2019 18:03 CEST | Update | - |
| article html file updated | 4 May 2019 07:24 CEST | Update | - |
| article html file updated | 28 March 2017 11:33 CEST | Update | - |
| article html file updated | 10 March 2017 08:09 CET | Original file | - |
| article xml uploaded. | 10 March 2017 08:07 CET | Original file | https://www.mdpi.com/1996-1073/10/3/337/xml |
| article pdf uploaded. | 10 March 2017 08:07 CET | Updated version of record | https://www.mdpi.com/1996-1073/10/3/337/pdf |
| article pdf uploaded. | 9 March 2017 15:16 CET | Version of Record | https://www.mdpi.com/1996-1073/10/3/337/pdf-vor |
