| article html file updated | 9 February 2020 05:53 CET | Update | https://www.mdpi.com/1996-1073/11/2/390 |
| article html file updated | 30 September 2019 15:00 CEST | Update | - |
| article html file updated | 1 May 2019 20:06 CEST | Update | - |
| article html file updated | 17 April 2019 19:12 CEST | Update | - |
| article html file updated | 28 March 2019 21:45 CET | Update | - |
| article html file updated | 14 March 2018 16:11 CET | Update | - |
| article html file updated | 9 February 2018 07:52 CET | Update | - |
| article xml uploaded. | 9 February 2018 07:51 CET | Update | https://www.mdpi.com/1996-1073/11/2/390/xml |
| article xml uploaded. | 9 February 2018 07:51 CET | Update | - |
| article pdf uploaded. | 9 February 2018 07:51 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/2/390/pdf |
| article html file updated | 8 February 2018 05:00 CET | Original file | - |
| article xml uploaded. | 8 February 2018 04:59 CET | Update | - |
| article xml uploaded. | 8 February 2018 04:59 CET | Original file | - |
| article pdf uploaded. | 8 February 2018 04:59 CET | Version of Record | https://www.mdpi.com/1996-1073/11/2/390/pdf-vor |
