| article html file updated | 9 February 2020 06:41 CET | Update | https://www.mdpi.com/2071-1050/10/2/518 |
| article html file updated | 30 September 2019 19:40 CEST | Update | - |
| article html file updated | 1 May 2019 18:18 CEST | Update | - |
| article html file updated | 17 April 2019 17:37 CEST | Update | - |
| article html file updated | 28 March 2019 23:27 CET | Update | - |
| article html file updated | 15 March 2018 10:03 CET | Update | - |
| article html file updated | 14 March 2018 12:13 CET | Update | - |
| article pdf uploaded. | 22 February 2018 11:00 CET | Updated version of record | https://www.mdpi.com/2071-1050/10/2/518/pdf |
| article html file updated | 22 February 2018 09:28 CET | Original file | - |
| article xml uploaded. | 22 February 2018 09:27 CET | Original file | https://www.mdpi.com/2071-1050/10/2/518/xml |
| article pdf uploaded. | 22 February 2018 09:27 CET | Updated version of record | https://www.mdpi.com/2071-1050/10/2/518/pdf-vor |
| article pdf uploaded. | 14 February 2018 14:17 CET | Version of Record | https://www.mdpi.com/2071-1050/10/2/518/pdf-vor |