function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Adams, Arthur & [DUPLICATE RECORD!] White, Adam', 1],
    ['Ahyong, Shane T.', 1],
    ['Baba, Keiji', 1],
    ['Baba, Keiji & Macpherson, Enrique & Poore, Gary C. B.', 34],
    ['Blaschke, F.', 2],
    ['Castro, Peter', 1],
    ['Clark, Paul F. & Ng, Peter K. L. & Fransen, Charles H. J. M.', 2],
    ['Dong, Chao & Li, Xinzheng', 19],
    ['Macpherson, Enrique', 5],
    ['Macpherson, Enrique & Cleva, Régis', 7],
    ['Macpherson, Enrique & Robainas-Barcia, Aymee', 146],
    ['Osawa, Masayuki', 2],
    ['Ossó, Àlex & Gagnaison, Cyril & Gain, Olivier', 2],
    ['Tiwari, Shivam & Padate, Vinay P. & Cubelio, Sherine Sonia', 2],
    ['de Man, Johannes Govertus', 2],
    ['Other (8)', 8]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=235)',
    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);