function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Johnston, M. Andrew & Waite, Evan S. & Wright, Ethan R', 5],
    ['Kazantsev, Sergey V. & Telnov, Dmitry', 6],
    ['Kejval, Zbyněk', 170],
    ['Kejval, Zbyněk & Chandler, Donald S.', 49],
    ['Kejval, Zbyněk & Cz, Domažlice', 69],
    ['Kejval, Zbyněk & Mz, Leica & Ch-, Olympus', 6],
    ['Motschulsky, Victor de', 8],
    ['Nardi, Gianluca', 10],
    ['Pic, Maurice', 7],
    ['Telnov, Dmitry', 150],
    ['Telnov, Dmitry & Ghahari, Hassan', 132],
    ['Telnov, Dmitry & Gusakov, Alexey A.', 6],
    ['Webster, Reginald P. & Sweeney, Jon D. & DeMerchant, Ian', 7],
    ['Werner, Floyd G. & Chandler, Donald S.', 8],
    ['Young, Daniel K.', 23],
    ['Other (36)', 56]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=712)',
    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);