| article html file updated | 9 February 2020 02:06 CET | Update | https://www.mdpi.com/2075-4701/8/1/32 |
| article html file updated | 29 September 2019 16:50 CEST | Update | - |
| article html file updated | 2 May 2019 04:12 CEST | Update | - |
| article html file updated | 18 April 2019 02:18 CEST | Update | - |
| article html file updated | 28 March 2019 13:21 CET | Update | - |
| article html file updated | 9 February 2018 10:58 CET | Update | - |
| article html file updated | 1 February 2018 10:53 CET | Update | - |
| article html file updated | 5 January 2018 14:08 CET | Original file | - |
| article xml uploaded. | 5 January 2018 14:07 CET | Update | https://www.mdpi.com/2075-4701/8/1/32/xml |
| article pdf uploaded. | 5 January 2018 14:07 CET | Version of Record | https://www.mdpi.com/2075-4701/8/1/32/pdf |
