| article html file updated | 9 February 2020 03:45 CET | Update | https://www.mdpi.com/2075-4701/8/1/77 |
| article html file updated | 30 September 2019 02:09 CEST | Update | - |
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| article html file updated | 17 April 2019 23:14 CEST | Update | - |
| article html file updated | 28 March 2019 17:05 CET | Update | - |
| article html file updated | 9 February 2018 11:09 CET | Update | - |
| article html file updated | 1 February 2018 12:46 CET | Update | - |
| article html file updated | 20 January 2018 07:42 CET | Original file | - |
| article xml uploaded. | 20 January 2018 07:40 CET | Update | https://www.mdpi.com/2075-4701/8/1/77/xml |
| article xml uploaded. | 20 January 2018 07:40 CET | Update | - |
| article xml uploaded. | 20 January 2018 07:40 CET | Original file | - |
| article pdf uploaded. | 20 January 2018 07:40 CET | Version of Record | https://www.mdpi.com/2075-4701/8/1/77/pdf |
