| article html file updated | 8 February 2020 01:42 CET | Update | https://www.mdpi.com/2073-4441/9/3/222 |
| article html file updated | 23 September 2019 21:09 CEST | Update | - |
| article html file updated | 4 May 2019 06:11 CEST | Update | - |
| article html file updated | 28 March 2017 03:58 CEST | Update | - |
| article html file updated | 20 March 2017 09:57 CET | Original file | - |
| article xml uploaded. | 20 March 2017 09:56 CET | Update | https://www.mdpi.com/2073-4441/9/3/222/xml |
| article pdf uploaded. | 20 March 2017 09:56 CET | Updated version of record | https://www.mdpi.com/2073-4441/9/3/222/pdf |
| article pdf uploaded. | 17 March 2017 14:17 CET | Version of Record | https://www.mdpi.com/2073-4441/9/3/222/pdf-vor |
