function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ardi, W. H. & Thomas, D. C.', 23],
    ['Camfield, Rebecca & Hughes, Mark', 57],
    ['De Wilde, Willem J. J. O. & Duyfjes, Brigitta E. E.', 28],
    ['Hess, Hans Ernst & Landolt, Elias & Hirzel, Rosmarie', 11],
    ['Holstein, Norbert', 46],
    ['Hughes, Mark & Girmansyah, Deden & Ardi, Wisnu Handoyo', 16],
    ['Jarvis, Charlie', 60],
    ['Julia, S. & Kiew, R. & Ling, C. Y.', 12],
    ['Kollmann, Ludovic Jean Charles', 15],
    ['Lauterbach, Carl (Karl) Adolf Georg', 20],
    ['McQuate, Grant T. & Liquido, Nicanor J.', 12],
    ['Moonlight, Peter & Fuentes, Alfredo F.', 48],
    ['Moonlight, Peter. W. & Jara-Muñoz, Orlando A. & Purvis, David A.', 116],
    ['Sang, Julia & Kiew, Ruth & Geri, Connie', 14],
    ['Zhou, Ya-Dong & Mwachala, Geoffrey & Hu, Guang-Wan', 14],
    ['Other (126)', 324]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=816)',
    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);