| article html file updated | 7 February 2020 19:10 CET | Update | https://www.mdpi.com/2073-4360/8/12/422 |
| article html file updated | 22 September 2019 09:05 CEST | Update | - |
| article html file updated | 4 May 2019 20:12 CEST | Update | - |
| article html file updated | 15 March 2019 10:32 CET | Update | - |
| article html file updated | 28 December 2016 07:58 CET | Update | - |
| article html file updated | 6 December 2016 11:42 CET | Original file | - |
| article xml uploaded. | 6 December 2016 11:40 CET | Original file | https://www.mdpi.com/2073-4360/8/12/422/xml |
| article pdf uploaded. | 6 December 2016 11:40 CET | Version of Record | https://www.mdpi.com/2073-4360/8/12/422/pdf |
