| article html file updated | 7 February 2020 08:47 CET | Update | https://www.mdpi.com/2075-4701/6/5/104 |
| article html file updated | 5 May 2019 15:39 CEST | Update | - |
| article html file updated | 27 March 2019 04:51 CET | Update | - |
| article html file updated | 27 May 2016 12:27 CEST | Update | - |
| article html file updated | 17 May 2016 09:16 CEST | Original file | - |
| article xml uploaded. | 17 May 2016 09:15 CEST | Original file | https://www.mdpi.com/2075-4701/6/5/104/xml |
| article pdf uploaded. | 17 May 2016 09:15 CEST | Version of Record | https://www.mdpi.com/2075-4701/6/5/104/pdf |
