function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ahyong, Shane T. & Baba, Keiji & Macpherson, Enrique', 1],
    ['Amon, Diva J & Ziegler, Amanda F & Drazen, Jeffrey C', 2],
    ['Arnes-Urgelles, Camila & Buglass, Salome & Ahyong, Shane T.', 8],
    ['Dong, Dong & Gan, Zhibin & Li, Xinzheng', 3],
    ['Gerdes, Klaas & Kihara, Terue Cristina & Martinez Arbizu, Pedro', 2],
    ['González, José A.', 1],
    ['Karasawa, Hiroaki & Ohara, Masaaki & Kato, Hisayoshi', 1],
    ['Kilgour, Morgan J. & Shirley, Thomas C.', 1],
    ['Lin, Chia-Wei & Tsuchida, Shinji & Lin, Saulwood', 1],
    ['Mantelatto, Fernando L. & Miranda, Ivana & Vera-Silva, Ana L.', 1],
    ['Osawa, Masayuki & Chan, Tin-Yam & Yang, Chien-Hui', 2],
    ['Rodríguez-Flores, Paula C. & Seid, Charlotte A. & Rouse, Greg W.', 14],
    ['Tiwari, Shivam & Padate, Vinay P. & Cubelio, Sherine S.', 2],
    ['Tiwari, Shivam & Padate, Vinay P. & Cubelio, Sherine Sonia', 1],
    ['Vazquez-Bader, Ana Rosa & Gracia, Adolfo', 18],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=59)',
    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);