| article html file updated | 8 February 2020 08:55 CET | Update | https://www.mdpi.com/2079-4983/8/2/20 |
| article html file updated | 25 September 2019 11:43 CEST | Update | N/A |
| article html file updated | 3 May 2019 16:16 CEST | Update | N/A |
| article html file updated | 11 December 2018 08:25 CET | Update | N/A |
| article html file updated | 30 June 2017 05:44 CEST | Update | N/A |
| article html file updated | 22 June 2017 10:10 CEST | Original file | N/A |
| article xml uploaded. | 22 June 2017 10:09 CEST | Original file | https://www.mdpi.com/2079-4983/8/2/20/xml |
| article pdf uploaded. | 22 June 2017 10:09 CEST | Updated version of record | https://www.mdpi.com/2079-4983/8/2/20/pdf |
| article pdf uploaded. | 21 June 2017 16:54 CEST | Version of Record | https://www.mdpi.com/2079-4983/8/2/20/pdf-vor |
