| article html file updated | 9 February 2020 05:36 CET | Update | https://www.mdpi.com/2075-4701/8/2/108 |
| article html file updated | 1 May 2019 20:47 CEST | Update | - |
| article html file updated | 17 April 2019 19:46 CEST | Update | - |
| article html file updated | 28 March 2019 21:06 CET | Update | - |
| article html file updated | 6 February 2018 07:58 CET | Original file | - |
| article xml uploaded. | 6 February 2018 07:43 CET | Original file | https://www.mdpi.com/2075-4701/8/2/108/xml |
| article pdf uploaded. | 6 February 2018 07:43 CET | Version of Record | https://www.mdpi.com/2075-4701/8/2/108/pdf |
