| article html file updated | 7 February 2020 11:43 CET | Update | https://www.mdpi.com/2072-6651/8/7/221 |
| article html file updated | 5 May 2019 10:06 CEST | Update | - |
| article html file updated | 27 March 2019 10:20 CET | Update | - |
| article html file updated | 28 July 2016 09:56 CEST | Update | - |
| article html file updated | 21 July 2016 10:27 CEST | Update | - |
| article xml uploaded. | 21 July 2016 10:26 CEST | Update | https://www.mdpi.com/2072-6651/8/7/221/xml |
| article pdf uploaded. | 21 July 2016 10:26 CEST | Updated version of record | https://www.mdpi.com/2072-6651/8/7/221/pdf |
| article html file updated | 15 July 2016 08:11 CEST | Original file | - |
| article pdf uploaded. | 15 July 2016 08:09 CEST | Version of Record | https://www.mdpi.com/2072-6651/8/7/221/pdf-vor |
