| article html file updated | 9 February 2020 01:46 CET | Update | https://www.mdpi.com/2076-3417/8/1/54 |
| article html file updated | 2 May 2019 04:55 CEST | Update | - |
| article html file updated | 18 April 2019 02:58 CEST | Update | - |
| article html file updated | 28 March 2019 12:33 CET | Update | - |
| article html file updated | 1 February 2018 11:08 CET | Update | - |
| article pdf uploaded. | 23 January 2018 06:56 CET | Updated version of record | https://www.mdpi.com/2076-3417/8/1/54/pdf |
| article html file updated | 2 January 2018 21:01 CET | Original file | - |
| article xml uploaded. | 2 January 2018 14:57 CET | Update | https://www.mdpi.com/2076-3417/8/1/54/xml |
