function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arnoult, J.', 1],
    ['Herder, Fabian & Chapuis, Simone', 2],
    ['Herder, Fabian & Hadiaty, Renny Kurnia & Nolte, Arne W.', 1],
    ['Kottelat, Maurice', 2],
    ['Mandagi, Ixchel Feibie & Mokodongan, Daniel Frikli', 1],
    ['Miyazaki, Yusuke & Nakae, Masanori & Senou, Hiroshi', 2],
    ['Mokodongan, Daniel Frikli & Tanaka, Rieko & Yamahira, Kazunori', 1],
    ['Parenti, Lynne R.', 24],
    ['Smith, H. M.', 1],
    ['Uwa, H. & Magtoon, W.', 1],
    ['Zainal Abidin, Danial Hariz & Lavoué, Sébastien', 1],
    ['Çiçek, Erdoğan & Fricke, Ronald & Eagderi, Soheil', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=38)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);