| article html file updated | 9 February 2020 06:53 CET | Update | https://www.mdpi.com/2075-4701/8/2/136 |
| article html file updated | 30 September 2019 20:51 CEST | Update | - |
| article html file updated | 1 May 2019 17:53 CEST | Update | - |
| article html file updated | 17 April 2019 17:13 CEST | Update | - |
| article html file updated | 28 March 2019 23:52 CET | Update | - |
| article html file updated | 23 February 2018 04:47 CET | Original file | - |
| article xml uploaded. | 23 February 2018 04:46 CET | Update | https://www.mdpi.com/2075-4701/8/2/136/xml |
| article xml uploaded. | 23 February 2018 04:46 CET | Original file | - |
| article pdf uploaded. | 23 February 2018 04:46 CET | Updated version of record | https://www.mdpi.com/2075-4701/8/2/136/pdf |
| article pdf uploaded. | 16 February 2018 14:05 CET | Version of Record | https://www.mdpi.com/2075-4701/8/2/136/pdf-vor |
