function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ardila-Camacho, Adrian & Rivera-Gasperín, Sara Lariza', 7],
    ['Berrondo, Matias', 2],
    ['Guo, Mingxia & Xing, Lida & Wang, Bo & Zhang, Weiwei', 2],
    ['Jepson, James E. & Heads, Sam W.', 2],
    ['Liu, Xingyue & Flint, Oliver S. & Yang, Ding', 5],
    ['Liu, Xingyue & Hayashi, Fumio & Yang, Ding', 9],
    ['Liu, Xingyue & Lu, Xiumei & Xia, Fangyuan & Wang, Bo', 4],
    ['Liu, Xingyue & Price, Benjamin W. & Hayashi, Fumio', 2],
    ['Liu, Xingyue & Yang, Ding', 7],
    ['Liu, Xingyue & Yang, Ding & Hayashi, Fumio', 2],
    ['Martins, Caleb C. & Ardila-Camacho, Adrian', 16],
    ['Mendes, Gabriela Caroline', 4],
    ['Piraonapicha, Kanyakorn & Sangpradub, Narumon', 4],
    ['Price, Benjamin W. & Liu, Xingyue & Moor, Ferdy C. de', 3],
    ['Tu, Yuezheng & Zheng, Yuchen & Liu, Xingyue', 2],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=74)',
    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);