| article html file updated | 8 February 2020 08:33 CET | Update | https://www.mdpi.com/2073-4441/9/6/436 |
| article html file updated | 25 September 2019 09:47 CEST | Update | N/A |
| article html file updated | 3 May 2019 16:58 CEST | Update | N/A |
| article html file updated | 29 June 2017 13:16 CEST | Update | N/A |
| article html file updated | 29 June 2017 12:18 CEST | Update | N/A |
| article html file updated | 17 June 2017 10:16 CEST | Original file | N/A |
| article xml uploaded. | 17 June 2017 10:15 CEST | Original file | https://www.mdpi.com/2073-4441/9/6/436/xml |
| article pdf uploaded. | 17 June 2017 10:15 CEST | Version of Record | https://www.mdpi.com/2073-4441/9/6/436/pdf |
