function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Braasch, Helen', 1],
    ['GU, JIANFENG & ZHANG, JIANCHENG & BRAASCH, HELEN', 1],
    ['Giblin-Davis, Robin M. & Kanzaki, Natsumi & Ye, Weimin', 1],
    ['Kanzaki, Natsumi & Maehara, Noritoshi & Aikawa, Takuya', 1],
    ['Natsumi, Kanzaki & Tanaka, Ryusei & Giblin-Davis, Robin M.', 1],
    ['Zhao, Zeng Qi & Surrey, Michael & Ho, Wellcome & Marinov, Milen', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=7)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 6, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);