| article html file updated | 7 February 2020 23:41 CET | Update | https://www.mdpi.com/2073-4425/8/2/78 |
| article html file updated | 23 September 2019 09:36 CEST | Update | - |
| article html file updated | 4 May 2019 10:40 CEST | Update | - |
| article html file updated | 2 March 2017 10:44 CET | Update | - |
| article html file updated | 21 February 2017 18:22 CET | Original file | - |
| article xml uploaded. | 21 February 2017 18:21 CET | Original file | https://www.mdpi.com/2073-4425/8/2/78/xml |
| article pdf uploaded. | 21 February 2017 18:21 CET | Updated version of record | https://www.mdpi.com/2073-4425/8/2/78/pdf |
| article pdf uploaded. | 17 February 2017 16:58 CET | Version of Record | https://www.mdpi.com/2073-4425/8/2/78/pdf-vor |
