We are doing some essential maintenance work and you will not be able to register or update your profile setting until we've finished, which should be at about 9pm this evening.
We apologise for any inconvenience - you will be able to register shortly. In the mean time you will still be able to log in as usual.
A coalition of US universities is freely sharing technology and intellectual property related to coronavirus, but this approach must not stop at the pandemic, writes Moo Hwan Kim