| article html file updated | 9 February 2020 06:48 CET | Update | https://www.mdpi.com/1996-1073/11/2/440 |
| article html file updated | 30 September 2019 20:19 CEST | Update | - |
| article html file updated | 1 May 2019 18:05 CEST | Update | - |
| article html file updated | 17 April 2019 17:25 CEST | Update | - |
| article html file updated | 28 March 2019 23:40 CET | Update | - |
| article html file updated | 14 March 2018 16:25 CET | Update | - |
| article html file updated | 24 February 2018 12:13 CET | Update | - |
| article xml uploaded. | 24 February 2018 12:12 CET | Update | https://www.mdpi.com/1996-1073/11/2/440/xml |
| article xml uploaded. | 24 February 2018 12:12 CET | Update | - |
| article xml uploaded. | 24 February 2018 12:12 CET | Update | - |
| article pdf uploaded. | 24 February 2018 12:12 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/2/440/pdf |
| article html file updated | 22 February 2018 10:00 CET | Original file | - |
| article xml uploaded. | 22 February 2018 09:59 CET | Update | - |
| article xml uploaded. | 22 February 2018 09:58 CET | Original file | - |
| article pdf uploaded. | 22 February 2018 09:58 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/2/440/pdf-vor |
| article pdf uploaded. | 15 February 2018 14:03 CET | Version of Record | https://www.mdpi.com/1996-1073/11/2/440/pdf-vor |
