| article html file updated | 8 February 2020 08:30 CET | Update | https://www.mdpi.com/2075-4701/7/6/224 |
| article html file updated | 25 September 2019 09:31 CEST | Update | N/A |
| article html file updated | 3 May 2019 17:04 CEST | Update | N/A |
| article html file updated | 28 June 2017 14:05 CEST | Update | N/A |
| article html file updated | 16 June 2017 15:14 CEST | Original file | N/A |
| article xml uploaded. | 16 June 2017 15:13 CEST | Update | https://www.mdpi.com/2075-4701/7/6/224/xml |
| article pdf uploaded. | 16 June 2017 15:13 CEST | Version of Record | https://www.mdpi.com/2075-4701/7/6/224/pdf |
