function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alleyne, H. G. & Macleay, William John', 1],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 2],
    ['Aqmal-Naser, Mohamad & Ali, Norsyafira Anis', 1],
    ['Bleeker, Pieter', 7],
    ['Boeseman, M.', 2],
    ['Gill, Anthony C. & Russell, Barry C. & Nelson, Gary', 3],
    ['Golani, Daniel & Bogorodsky, Sergey V.', 4],
    ['Hui, Tan Heok & Taxonomy, Kelvin Lim Kok Peng & species, new', 3],
    ['Macleay, William John', 2],
    ['Morgan, David L. & Allen, Gerald R. & Pusey, Bradley J.', 5],
    ['Steindachner, F.', 2],
    ['Tan, Heok Hui & Lim, Kelvin K. P.', 2],
    ['Whitley, Gilbert P.', 3],
    ['Zainal Abidin, Danial Hariz & Lavoué, Sébastien', 3],
    ['de Laporte Castelnau La Ferté-Sénectère, Francis L.', 2],
    ['Other (30)', 30]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=72)',
    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);