| article html file updated | 8 February 2020 17:03 CET | Update | https://www.mdpi.com/2075-4442/5/4/39 |
| article html file updated | 27 September 2019 08:29 CEST | Update | N/A |
| article html file updated | 3 May 2019 00:16 CEST | Update | N/A |
| article html file updated | 2 January 2018 14:34 CET | Update | N/A |
| article html file updated | 25 September 2017 16:18 CEST | Original file | N/A |
| article xml uploaded. | 25 September 2017 16:17 CEST | Original file | https://www.mdpi.com/2075-4442/5/4/39/xml |
| article pdf uploaded. | 25 September 2017 16:17 CEST | Updated version of record | https://www.mdpi.com/2075-4442/5/4/39/pdf |
| article pdf uploaded. | 25 September 2017 11:56 CEST | Version of Record | N/A |
