| article html file updated | 8 February 2020 01:30 CET | Update | https://www.mdpi.com/2071-1050/9/3/432 |
| article html file updated | 23 September 2019 19:58 CEST | Update | - |
| article html file updated | 4 May 2019 06:40 CEST | Update | - |
| article html file updated | 28 March 2017 06:13 CEST | Update | - |
| article html file updated | 16 March 2017 11:43 CET | Original file | - |
| article xml uploaded. | 16 March 2017 11:42 CET | Original file | https://www.mdpi.com/2071-1050/9/3/432/xml |
| article pdf uploaded. | 16 March 2017 11:42 CET | Updated version of record | https://www.mdpi.com/2071-1050/9/3/432/pdf |
| article pdf uploaded. | 15 March 2017 10:46 CET | Version of Record | https://www.mdpi.com/2071-1050/9/3/432/pdf-vor |
