A method of treating polycystic kidney disease by administering an oligonucleotide antisense to c-myc is described. The processor further identifies a travel mode for a trip segment for the mobile device based on at least the sampled position of the mobile device when the mobile device is travelling and identifies an activity when then the mobile device is dwelling. The air bearing surface is formed by grinding in part an end face of the pole portion of the first magnetic layer and an end face of the pole portion of the second magnetic layer and the gap layer placed therebetween. The guide is rotatable about the guide rod so that it may be swung away from the working surface when the guide is not in use. Moreover, the coils are doubly insulated.