| article html file updated | 9 February 2020 05:49 CET | Update | https://www.mdpi.com/2079-6412/8/2/62 |
| article html file updated | 30 September 2019 14:34 CEST | Update | - |
| article html file updated | 1 May 2019 20:16 CEST | Update | - |
| article html file updated | 17 April 2019 19:20 CEST | Update | - |
| article html file updated | 28 March 2019 21:36 CET | Update | - |
| article html file updated | 14 March 2018 08:49 CET | Update | - |
| article html file updated | 7 February 2018 11:02 CET | Original file | - |
| article xml uploaded. | 7 February 2018 11:01 CET | Original file | https://www.mdpi.com/2079-6412/8/2/62/xml |
| article pdf uploaded. | 7 February 2018 11:00 CET | Version of Record | https://www.mdpi.com/2079-6412/8/2/62/pdf |
