| article html file updated | 9 February 2020 07:09 CET | Update | https://www.mdpi.com/2079-6412/8/2/78 |
| article html file updated | 30 September 2019 22:20 CEST | Update | - |
| article html file updated | 1 May 2019 17:20 CEST | Update | - |
| article html file updated | 17 April 2019 16:42 CEST | Update | - |
| article html file updated | 29 March 2019 00:25 CET | Update | - |
| article html file updated | 14 March 2018 08:53 CET | Update | - |
| article html file updated | 22 February 2018 07:00 CET | Original file | - |
| article xml uploaded. | 22 February 2018 06:59 CET | Original file | https://www.mdpi.com/2079-6412/8/2/78/xml |
| article pdf uploaded. | 22 February 2018 06:59 CET | Updated version of record | https://www.mdpi.com/2079-6412/8/2/78/pdf |
| article pdf uploaded. | 21 February 2018 05:26 CET | Version of Record | https://www.mdpi.com/2079-6412/8/2/78/pdf-vor |
