| article html file updated | 8 February 2020 00:53 CET | Update | https://www.mdpi.com/2073-4425/8/3/97 |
| article html file updated | 23 September 2019 16:35 CEST | Update | - |
| article html file updated | 4 May 2019 07:57 CEST | Update | - |
| article html file updated | 28 March 2017 11:59 CEST | Update | - |
| article html file updated | 9 March 2017 05:14 CET | Original file | - |
| article xml uploaded. | 9 March 2017 05:13 CET | Original file | https://www.mdpi.com/2073-4425/8/3/97/xml |
| article pdf uploaded. | 9 March 2017 05:13 CET | Updated version of record | https://www.mdpi.com/2073-4425/8/3/97/pdf |
| article pdf uploaded. | 6 March 2017 14:41 CET | Version of Record | https://www.mdpi.com/2073-4425/8/3/97/pdf-vor |
