function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barfod, Anders S. & Heatubun, Charlie D.', 7],
    ['Beccari, Odoardo', 29],
    ['Burret, Max', 49],
    ['Choi, Jinyeong & Soysouvanh, Pheophanh & Lee, Seunghwan', 8],
    ['Essig, Frederick Burt', 12],
    ['Heatubun, Charlie D.', 8],
    ['Henderson, Andrew', 226],
    ['Henderson, Andrew & D ựng, Nguy ễn Qu ốc', 20],
    ['Henderson, Andrew & Dung, Nguyen Quoc', 7],
    ['Jarvis, Charlie', 11],
    ['Keim, Ary Prihardhyanto & Dransfield, John', 11],
    ['Mehmud, Selim & Roy, Himu', 55],
    ['Mille, Christian & Henderson, Rosa C. & Cazères, Sylvie', 14],
    ['Molino, Jean-François & Sabatier, Daniel & Grenand, Pierre', 19],
    ['Stauffer, Fred & Ramella, Lorenzo & Ferreira, Evandro', 7],
    ['Other (81)', 144]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=627)',
    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);