| article html file updated | 9 February 2020 06:37 CET | Update | https://www.mdpi.com/2079-6412/8/2/74 |
| article html file updated | 30 September 2019 19:17 CEST | Update | - |
| article html file updated | 1 May 2019 18:28 CEST | Update | - |
| article html file updated | 17 April 2019 17:46 CEST | Update | - |
| article html file updated | 28 March 2019 23:18 CET | Update | - |
| article html file updated | 14 March 2018 08:52 CET | Update | - |
| article html file updated | 14 February 2018 02:27 CET | Original file | - |
| article xml uploaded. | 14 February 2018 02:25 CET | Update | https://www.mdpi.com/2079-6412/8/2/74/xml |
| article xml uploaded. | 14 February 2018 02:25 CET | Original file | - |
| article pdf uploaded. | 14 February 2018 02:25 CET | Version of Record | https://www.mdpi.com/2079-6412/8/2/74/pdf |
