| article html file updated | 9 February 2020 11:20 CET | Update | https://www.mdpi.com/2075-4701/8/4/214 |
| article html file updated | 1 October 2019 23:53 CEST | Update | - |
| article html file updated | 1 May 2019 08:33 CEST | Update | - |
| article html file updated | 17 April 2019 08:28 CEST | Update | - |
| article html file updated | 29 March 2019 09:59 CET | Update | - |
| article html file updated | 1 May 2018 07:17 CEST | Update | - |
| article html file updated | 1 May 2018 07:17 CEST | Update | - |
| article html file updated | 26 March 2018 17:33 CEST | Original file | - |
| article xml uploaded. | 26 March 2018 17:18 CEST | Original file | https://www.mdpi.com/2075-4701/8/4/214/xml |
| article pdf uploaded. | 26 March 2018 17:18 CEST | Version of Record | https://www.mdpi.com/2075-4701/8/4/214/pdf |
