| article html file updated | 9 February 2020 05:55 CET | Update | https://www.mdpi.com/2075-4701/8/2/117 |
| article html file updated | 30 September 2019 15:09 CEST | Update | - |
| article html file updated | 1 May 2019 20:03 CEST | Update | - |
| article html file updated | 17 April 2019 19:09 CEST | Update | - |
| article html file updated | 28 March 2019 21:48 CET | Update | - |
| article html file updated | 8 February 2018 09:10 CET | Original file | - |
| article xml uploaded. | 8 February 2018 09:08 CET | Update | https://www.mdpi.com/2075-4701/8/2/117/xml |
| article xml uploaded. | 8 February 2018 09:08 CET | Original file | - |
| article pdf uploaded. | 8 February 2018 09:08 CET | Version of Record | https://www.mdpi.com/2075-4701/8/2/117/pdf |
