| article html file updated | 8 February 2020 02:05 CET | Update | https://www.mdpi.com/2075-4701/7/4/107 |
| article html file updated | 23 September 2019 23:27 CEST | Update | - |
| article html file updated | 4 May 2019 05:22 CEST | Update | - |
| article html file updated | 28 April 2017 07:04 CEST | Update | - |
| article html file updated | 27 March 2017 05:28 CEST | Update | - |
| article html file updated | 24 March 2017 22:25 CET | Update | - |
| article html file updated | 24 March 2017 04:54 CET | Original file | - |
| article xml uploaded. | 24 March 2017 04:53 CET | Original file | https://www.mdpi.com/2075-4701/7/4/107/xml |
| article pdf uploaded. | 24 March 2017 04:53 CET | Updated version of record | https://www.mdpi.com/2075-4701/7/4/107/pdf |
| article pdf uploaded. | 23 March 2017 10:52 CET | Version of Record | https://www.mdpi.com/2075-4701/7/4/107/pdf-vor |
