| article html file updated | 8 February 2020 09:06 CET | Update | https://www.mdpi.com/2073-4441/9/7/452 |
| article html file updated | 25 September 2019 12:42 CEST | Update | - |
| article html file updated | 3 May 2019 15:55 CEST | Update | - |
| article html file updated | 1 August 2017 09:28 CEST | Update | - |
| article html file updated | 28 June 2017 22:26 CEST | Update | - |
| article xml uploaded. | 28 June 2017 09:55 CEST | Update | https://www.mdpi.com/2073-4441/9/7/452/xml |
| article pdf uploaded. | 28 June 2017 09:55 CEST | Updated version of record | https://www.mdpi.com/2073-4441/9/7/452/pdf |
| article html file updated | 23 June 2017 11:55 CEST | Original file | - |
| article pdf uploaded. | 23 June 2017 11:54 CEST | Version of Record | https://www.mdpi.com/2073-4441/9/7/452/pdf-vor |
