function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Chang, Hsueh-Wen', 5],
    ['Golovatch, Sergei', 6],
    ['Golovatch, Sergei I. & Geoffroy, Jean-Jacques', 9],
    ['Golovatch, Sergei I. & Liu, Weixin & Geoffroy, Jean-Jacques', 17],
    ['Golovatch, Sergei I. & Wesener, Thomas', 4],
    ['Hollier, John & Stöckli, Eduard & Wesener, Thomas', 3],
    ['Korobushkin, Daniil I. & Semenyuk, Irina I. & Tuf, Ivan H.', 2],
    ['Kuroda, Mai & Eguchi, Katsuyuki & Oguri, Emiko & Nguyen, Anh D.', 2],
    ['Likhitrakarn, Natdanai & Golovatch, Sergei I. & Panha, Somsak', 12],
    ['Liu, Weixin & Tian, Mingyi', 7],
    ['Liu, Weixin & Wynne, J. Judson', 2],
    ['Makhan, Dewanand', 1],
    ['Mikhaljova, Elena V. & Lim, Kil-Young', 5],
    ['Nguyen, Anh D. & Eguchi, Katsuyuki & Hwang, Ui W.', 3],
    ['Nguyen, Anh D. & Sierwald, Petra & Marek, Paul E.', 6],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=85)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);