function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Boxshall, Geoffrey A. & Bernot, James P.', 1],
    ['Dippenaar, Susan M. & Jordaan, Bea P.', 6],
    ['Kamiński, Marcin Jan & Bouchard, Patrice & Leo, Piero', 1],
    ['Luque, José L. & Tavares, Luiz E. R.', 1],
    ['Norman, B. M. & Newbound, D. R. & Knott, B.', 1],
    ['Rafinesque, Constantine Samuel', 2],
    ['Tang, Danny & Yanagisawa, Makio & Nagasawa, Kazuya', 2],
    ['Uyeno, Daisuke & Senou, Hiroshi & Sakiyama, Tadao', 1],
    ['Venmathi Maran, B. A. & Ohtsuka, Susumu & Shang, Xu', 1],
    ['Wilson, Charles Branch', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=17)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);