function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Fowler, Henry Weed', 1],
    ['Herre, Albert W. C. T.', 10],
    ['Jamandre, Brian Wade', 1],
    ['Laan, Richard Van Der & Eschmeyer, William N. & Fricke, Ronald', 1],
    ['Myers, G. S.', 1],
    ['Ng, Casey Keat Chuan & Lim, Teow Yeong & Ahmad, Amirrudin', 1],
    ['Parenti, Lynne R.', 5],
    ['Parenti, Lynne R. & Louie, Kristina D.', 1],
    ['Parenti, Lynne R. & Lumbantobing, Daniel N. & Haryono', 2],
    ['Regan, C. T.', 2],
    ['Roberts, Tyson R.', 1],
    ['Shibukawa, Koichi & Tran, Dinh Dac & Tran, Loi Xuan', 1],
    ['Sulaiman, Zohrah & Hui, Tan Heok & Lim, Kelvin Kok Peng', 1],
    ['Villadolid, D. V. & Manacop, P. R.', 1],
    ['Zainal Abidin, Danial Hariz & Lavoué, Sébastien', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=30)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 15, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);