function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Allen, Glover M.', 45],
    ['Andersen, Knud', 57],
    ['Burgin, Connor', 109],
    ['Cakenberghe, Victor Van & Tungaluna, Guy-Crispin Gembu', 27],
    ['Dobson, George Edward', 27],
    ['Horsfield, Thomas', 12],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 66],
    ['Karl F. Koopman', 65],
    ['Monadjem, Ara & Schoeman, M. Corrie & Reside, April', 9],
    ['Soisook, Pipat & Karapan, Sunate & Srikrachang, Mattana', 42],
    ['Thomas, Nikky M. & Duckworth, J. W. & Douangboubpha, Bounsavane', 16],
    ['Turni, Hendrik & Kock, Dieter', 20],
    ['Voon-Ching Lim & Rosli Ramli & Subha Bhassu & John-James Wilson', 17],
    ['Wilson, Don E. & Reeder, DeeAnn', 226],
    ['Zhang, Libiao & Jones, Gareth & Zhang, Jinshuo & Zhu, Guangjian', 11],
    ['Other (44)', 110]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=859)',
    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);